Directory

The tools the engine recommends.

Every entry here is something XeroHack will pre-wire into a scaffold when you select it. Coupons are visible after signup — first run free.

Coding harnesses

IDEs

Cursor logo
Cursor

AI-native IDE with agentic editing across files.

freemium
Antigravity logo
Antigravity

Google's agentic coding app with generative UI prototyping.

freemium
Aider VS Code Extension logo
Aider VS Code Extension

The VS Code interface for Aider, bringing command-line AI coding power to a visual IDE with Git integration.

open-source
Bolt.new logo
Bolt.new

A web-based AI IDE that generates, edits, and previews full-stack applications in the browser with real-time stackblitz integration.

freemium
CodeGeeX logo
CodeGeeX

An open-source AI coding assistant developed by Tencent, offering strong multilingual support and local deployment options.

open-source
Codeium IDE logo
Codeium IDE

A free, AI-native IDE that combines a lightweight editor with powerful AI coding agents and autocomplete.

freemium
GitHub Copilot (VS Code Extension) logo
GitHub Copilot (VS Code Extension)

The industry-standard AI coding assistant integrated into VS Code, offering autocomplete, chat, and terminal integration.

paid
GitHub Copilot Workspace logo
GitHub Copilot Workspace

An AI-driven planning and implementation tool that transforms GitHub issues into code changes with multi-step reasoning.

paid
Replit Agent logo
Replit Agent

A browser-based AI agent that can plan, build, and deploy entire applications from natural language prompts without local setup.

freemium
Roo Code logo
Roo Code

An open-source, VS Code-native AI agent that acts as a full-stack developer with deep filesystem access and planning capabilities.

open-source
Tabby logo
Tabby

A self-hosted, open-source AI coding assistant that supports multiple LLM backends and runs entirely on-premise for maximum security.

open-source
Windsurf (Codeium) logo
Windsurf (Codeium)

AI-native IDE with the Cascade agent for deeply contextual multi-file editing.

freemium

Model gateways

UI frameworks

Auth

Better Auth logo
Better Auth

Framework-agnostic auth that doesn't make you cry.

open-source
Appwrite logo
Appwrite

End-to-end backend server with built-in authentication, databases, and functions.

open-source
Auth.js (v5) logo
Auth.js (v5)

Unified authentication framework for JavaScript/TypeScript with first-class Next.js support.

open-source
Authentik logo
Authentik

Self-hosted reverse proxy and identity provider focused on SSO, MFA, and infrastructure security.

open-source
Authgear logo
Authgear

Self-hosted identity platform with a focus on developer control and modern auth flows.

open-source
Casdoor logo
Casdoor

Open-source identity UI that pairs OIDC/SAML provisioning with Casbin authorization.

open-source
Clerk logo
Clerk

Developer-first authentication with pre-built components and social logins.

freemium
Descope logo
Descope

No-code/low-code auth infrastructure with drag-and-drop flow builders and SDKs for every major framework.

freemium
FusionAuth logo
FusionAuth

Self-hosted, enterprise-grade identity platform with full lifecycle user management.

open-source
Hanko logo
Hanko

Passwordless-first identity provider optimized for WebAuthn, biometrics, and FIDO2 security.

freemium
Kinde logo
Kinde

AI-ready identity platform with SDKs optimized for modern full-stack frameworks.

freemium
Logto logo
Logto

Modern, open-source identity provider designed for developer-first app integration.

open-source
Lucia Auth logo
Lucia Auth

Lightweight, framework-agnostic authentication library for modern web apps.

open-source
Ory (Kratos) logo
Ory (Kratos)

Modular, headless identity engine for highly customized login and session management.

freemium
PocketBase logo
PocketBase

Single-file backend with built-in authentication, real-time DB, and file storage.

open-source
Stytch logo
Stytch

API-first authentication platform with instant SDKs and generous free testing credits.

freemium
Supabase Auth logo
Supabase Auth

Postgres-backed authentication with automatic user schema generation and real-time sync.

freemium
SuperTokens logo
SuperTokens

Open-source authentication that eliminates developer headaches around sessions and security.

open-source
Zitadel logo
Zitadel

Open-source identity provider with SaaS availability, built for compliance, RBAC, and auditability.

freemium

Databases

Hosting

Cloudflare Wrangler logo
Cloudflare Wrangler

Workers, D1, R2, KV — Cloudflare's CLI control plane.

freemium
Vercel logo
Vercel

The Next.js host with the best DX in the business.

freemium
Coolify logo
Coolify

Open-source, self-hosted PaaS that mirrors Vercel/Railway workflows on your own VPS.

open-source
Deno Deploy logo
Deno Deploy

Global edge platform for deploying TypeScript/JavaScript/Python at the network edge.

freemium
Fleek logo
Fleek

Decentralized hosting on IPFS/Arweave with familiar GitHub sync and custom domains.

freemium
Fly.io logo
Fly.io

Docker-native platform for deploying stateful and stateless apps globally on ARM/x86 VMs.

freemium
Hugging Face Spaces logo
Hugging Face Spaces

Host and share AI/ML demos as interactive web apps with zero DevOps.

freemium
Koyeb logo
Koyeb

Serverless platform for deploying containers and apps globally with zero infrastructure management.

freemium
Modal logo
Modal

Serverless GPU compute built for AI/ML workloads and long-running agent loops.

freemium
Netlify logo
Netlify

Developer-first platform for frontend, serverless functions, and AI app hosting with CI/CD.

freemium
Pipedream logo
Pipedream

Serverless workflow platform for connecting AI models, APIs, and data sources without infrastructure.

freemium
Railway logo
Railway

Simple deployment platform for Docker, databases, and full-stack apps.

freemium
Render logo
Render

Unified cloud platform for full-stack apps, databases, and cron jobs with Git-triggered deploys.

freemium
Replit logo
Replit

Cloud IDE and hosting platform with AI-native development tools and one-click deploys.

freemium
StackBlitz logo
StackBlitz

Cloud IDE and hosting platform with WebContainers for full-stack AI app development and deploy.

freemium
Supabase Edge Functions logo
Supabase Edge Functions

Serverless edge functions tightly integrated with Postgres, auth, and real-time subscriptions.

freemium
Zeabur logo
Zeabur

AI-native deployment platform with one-click stacks and automated routing for developers.

freemium

Voice

ElevenLabs logo
ElevenLabs

Production-grade voice synthesis + voice agents.

freemium
AssemblyAI logo
AssemblyAI

Developer-first STT and speech intelligence API with built-in summarization and sentiment analysis.

freemium
Bland AI logo
Bland AI

Programmable AI voice agent platform for building and deploying real-time conversational callers.

freemium
Cartesia logo
Cartesia

Low-latency voice synthesis API for real-time AI applications.

freemium
Deepgram logo
Deepgram

High-accuracy speech-to-text and voice intelligence API.

freemium
Fish Audio logo
Fish Audio

Open-weight and API-based TTS platform with rapid zero-shot voice cloning.

freemium
Gladia logo
Gladia

Real-time speech-to-text and text-to-speech API optimized for multilingual voice applications and low latency.

freemium
Groq Speech logo
Groq Speech

Ultra-low latency inference platform offering Whisper-based STT and high-quality TTS optimized for real-time voice apps.

freemium
Hume AI logo
Hume AI

Emotional AI platform offering expressive voice interfaces and interactive conversational avatars.

freemium
LiveKit logo
LiveKit

Open-source WebRTC infrastructure with native AI plugins for building real-time voice and video agents.

freemium
Neets AI logo
Neets AI

Real-time voice AI platform for building and deploying conversational agents with low-latency streaming.

freemium
OpenAI Realtime API logo
OpenAI Realtime API

WebSocket-based voice interface enabling ultra-low-latency, bidirectional LLM conversations.

paid
PlayHT logo
PlayHT

High-fidelity TTS API with AI voice cloning, emotional controls, and creator marketplace.

freemium
Retell AI logo
Retell AI

Production-ready platform for building ultra-low-latency, interruption-aware voice agents.

freemium
Silero logo
Silero

Lightweight, self-hosted STT and TTS models optimized for real-time and edge deployment.

open-source
Speechmatics logo
Speechmatics

Enterprise-grade STT API with exceptional multilingual accuracy and real-time streaming.

freemium
Spokestack logo
Spokestack

Open-source SDK for building on-device, privacy-first voice assistants and smart speakers.

open-source
Vapi logo
Vapi

Low-latency framework for building conversational voice agents with any LLM and TTS provider.

freemium
Vocode logo
Vocode

Open-source framework for building real-time voice AI agents with configurable pipelines.

freemium
Voiceflow logo
Voiceflow

Low-code platform for designing, prototyping, and deploying conversational AI voice agents.

freemium

Image gen

Adobe Firefly API logo
Adobe Firefly API

Commercial-safe generative API with precise editing, style control, and brand-aligned outputs.

freemium
Black Forest Labs logo
Black Forest Labs

Official API for FLUX.1 models delivering photorealistic generation with precise prompt adherence.

freemium
Clipdrop logo
Clipdrop

Specialized API for image editing, cleanup, relighting, and background manipulation with model-specific endpoints.

freemium
DeepAI logo
DeepAI

Minimalist REST API for quick text-to-image and image-to-image prototyping.

freemium
fal.ai logo
fal.ai

Blazing-fast inference API for image generation and video models.

freemium
Getimg.ai logo
Getimg.ai

Open-model-focused API with rapid fine-tuning capabilities and transparent usage tracking.

freemium
Hugging Face Inference logo
Hugging Face Inference

Serverless endpoint hosting thousands of open image models with pay-as-you-go scaling.

freemium
Ideogram logo
Ideogram

Text-accurate image generation API optimized for typography and brand-safe outputs.

freemium
Krea.ai logo
Krea.ai

Real-time AI canvas and upscaling platform with a developer API for interactive generation.

freemium
Leonardo.ai logo
Leonardo.ai

Stylized image generation API optimized for game assets, 3D textures, and consistent character design.

freemium
OpenAI DALL-E 3 logo
OpenAI DALL-E 3

Reliable, prompt-adherent image generation integrated directly into the OpenAI developer ecosystem.

paid
Playground AI logo
Playground AI

Fast, cost-effective image generation and editing API with generous free tiers and intuitive parameters.

freemium
Pollinations.ai logo
Pollinations.ai

Zero-auth, URL-parameter-driven image generation API built for instant prototyping.

free
Replicate logo
Replicate

Serverless inference platform for running open-source ML models.

freemium
Runway ML logo
Runway ML

Multimodal creative API covering image generation, precise inpainting, and image-to-video pipelines.

freemium
SeaArt.ai logo
SeaArt.ai

Community-driven generation platform with robust API access and specialized model libraries.

freemium
Stability AI logo
Stability AI

Enterprise-ready API hosting Stable Diffusion 3, SDXL, and ControlNet for full pipeline control.

freemium
Tensor.art logo
Tensor.art

Hosted inference platform for thousands of community fine-tunes with daily free credits.

freemium
Together AI logo
Together AI

High-throughput inference API for FLUX, SD3, and open image models with generous hackathon credits.

freemium

Memory

Observability

AgentOps logo
AgentOps

Observability and analytics platform purpose-built for autonomous AI agents.

freemium
AgentQL logo
AgentQL

Query language and debug interface for tracing, replaying, and fixing LLM agent workflows.

freemium
Arize Phoenix logo
Arize Phoenix

Open-source LLM and vector observability platform with built-in evaluation and debugging.

open-source
Braintrust logo
Braintrust

Open-source LLM evaluation and prompt management platform with a collaborative playground.

freemium
DeepEval logo
DeepEval

Open-source LLM evaluation framework with built-in metrics and CI-friendly testing.

open-source
Helicone logo
Helicone

API gateway and observability layer for LLMs with caching, cost tracking, and prompt analytics.

freemium
Langfuse logo
Langfuse

Open-source LLM observability platform for tracing, evals, and debugging.

freemium
LangSmith logo
LangSmith

Managed LLM development platform offering tracing, datasets, testing, and evaluation.

freemium
LangWatch logo
LangWatch

Open-source LLM observability and evaluation platform with built-in fine-tuning support.

open-source
Lunary logo
Lunary

Conversational AI observability platform optimized for chatbots and customer-facing LLM apps.

freemium
MLflow Tracing logo
MLflow Tracing

Native LLM tracing and evaluation integrated into the MLflow open-source ecosystem.

open-source
OpenLIT logo
OpenLIT

Open-source, vendor-agnostic LLM observability platform built on OpenTelemetry.

open-source
OpenLLMetry (Traceloop) logo
OpenLLMetry (Traceloop)

OpenTelemetry-native observability SDK for standardized LLM and agent tracing.

open-source
Opik (by Comet) logo
Opik (by Comet)

Open-source LLM observability and evaluation platform with a developer-first UI.

open-source
Promptfoo logo
Promptfoo

CLI-first prompt testing, evaluation, and prompt management platform for LLM apps.

open-source
PromptLayer logo
PromptLayer

Prompt versioning, tracing, and evaluation platform with a collaborative playground.

freemium
Ragas logo
Ragas

Evaluation framework specialized for measuring and optimizing RAG pipeline quality.

open-source
Trulens logo
Trulens

Open-source trace and evaluation framework for LLM applications across any framework.

open-source
Weave (by Weights & Biases) logo
Weave (by Weights & Biases)

ML-focused LLM tracing, evaluation, and playground built for teams already in the W&B ecosystem.

freemium
WhyLabs logo
WhyLabs

Full-stack LLM observability platform for monitoring, alerting, and evaluating production AI apps.

freemium

Knowledge graphs

Agent frameworks

Search & retrieval

Browser automation

Realtime & sync

Ably logo
Ably

A real-time messaging platform for building reliable, scalable real-time experiences with built-in pub/sub and presence.

freemium
Automerge logo
Automerge

A pure-CRDT library for building collaborative applications with automatic conflict resolution and change tracking.

open-source
Convex logo
Convex

End-to-end reactive backend with built-in real-time subscriptions and serverless functions.

freemium
ElectricSQL logo
ElectricSQL

Reactive data-sync layer for Postgres, enabling offline-first real-time applications.

freemium
Hasura GraphQL Engine logo
Hasura GraphQL Engine

GraphQL-native real-time subscriptions that automatically trigger on database changes without writing backend code.

freemium
Hocuspocus logo
Hocuspocus

The official server for Yjs, providing easy-to-deploy WebSocket endpoints for syncing Yjs documents.

open-source
Liveblocks logo
Liveblocks

A managed collaboration API designed specifically for React and frontend frameworks to enable cursors, presence, and shared state.

freemium
PartyKit logo
PartyKit

A developer-focused platform for building real-time multiplayer apps using Server-Sent Events (SSE) and WebSockets on the edge.

freemium
Phoenix LiveView logo
Phoenix LiveView

Elixir/Phoenix framework for building real-time web interfaces with no JavaScript.

open-source
PubNub logo
PubNub

A global network for real-time apps, offering managed message infrastructure with built-in security and analytics.

freemium
Pusher Channels logo
Pusher Channels

A mature, managed Pub/Sub messaging service for adding real-time data streams to applications via WebSockets.

freemium
Socket.IO logo
Socket.IO

The standard JavaScript library for real-time, bidirectional and event-based communication, supporting fallback to long-polling.

open-source
Stream Chat logo
Stream Chat

API-first chat and messaging infrastructure for building real-time communication features.

freemium
Supabase Realtime logo
Supabase Realtime

Database-backed real-time subscriptions that broadcast changes from PostgreSQL tables to connected clients.

freemium
Yjs logo
Yjs

The leading open-source CRDT engine for building conflict-free collaborative data structures in JavaScript/TypeScript.

open-source

Background jobs

Payments

Email & comms

Amazon SES logo
Amazon SES

The cost-effective, scalable email sending service from AWS.

paid
Brevo logo
Brevo

An all-in-one customer relationship platform with strong email and SMS capabilities.

freemium
EmailJS logo
EmailJS

A simple API to send emails directly from the client-side or server-side without backend infrastructure.

freemium
Mailchimp Transactional logo
Mailchimp Transactional

A transactional email service from Mailchimp, leveraging its marketing infrastructure for developer APIs.

paid
MailerSend logo
MailerSend

A transactional email API with a focus on high deliverability and a user-friendly template builder.

freemium
Mailgun logo
Mailgun

A developer-centric email infrastructure platform with powerful routing and parsing.

freemium
Mailtrap logo
Mailtrap

Email testing and delivery platform for developers.

freemium
Nodemailer logo
Nodemailer

The most popular library for sending emails with Node.js.

open-source
Novu logo
Novu

The open-source notification infrastructure for handling email, SMS, push, and chat with a unified API and UI.

open-source
Plunk logo
Plunk

An open-source email delivery platform for developers.

open-source
Postmark logo
Postmark

High-performance transactional email service focused on deliverability and diagnostics.

freemium
React Email logo
React Email

A free, open-source library to write email templates in React, with a live preview and CLI.

open-source
Resend logo
Resend

The developer-first transactional email API designed for modern web frameworks.

freemium
SendGrid logo
SendGrid

The industry-standard email delivery platform with extensive integrations.

freemium
Supabase Notification Service logo
Supabase Notification Service

Unified multi-channel notification infrastructure for Supabase applications.

freemium
Twilio logo
Twilio

A communications cloud that provides APIs for SMS, Voice, and Video, including email via SendGrid acquisition.

freemium

File & media

AWS Amplify Storage logo
AWS Amplify Storage

Managed storage solution for AWS Amplify applications.

freemium
Cloudflare R2 logo
Cloudflare R2

Serverless object storage with zero egress fees, ideal for cost-sensitive high-traffic applications.

freemium
Cloudflare Stream logo
Cloudflare Stream

All-in-one video hosting and delivery platform with easy player integration.

paid
Cloudflare Workers + Dev Storage logo
Cloudflare Workers + Dev Storage

Edge computing platform with D1 (SQL) and R2 (Storage) for low-latency media handling.

freemium
Cloudinary logo
Cloudinary

The industry standard for cloud-based image and video management, delivery, and optimization.

freemium
Excalidraw (Open Source) logo
Excalidraw (Open Source)

Open-source collaborative whiteboard with export capabilities for diagrams and sketches.

open-source
Filebase logo
Filebase

Global S3-compatible decentralized storage optimized for immutable media and backups.

freemium
ImageKit logo
ImageKit

Visual media pipeline with CDN, management, and transformation.

freemium
Imgix logo
Imgix

A high-performance image and video API that optimizes media on the fly from any source.

freemium
imgproxy logo
imgproxy

Fast and secure standalone service for resizing and converting images.

open-source
Livepeer logo
Livepeer

Decentralized video infrastructure for live streaming and on-demand video processing.

freemium
Mux logo
Mux

Developer-friendly video infrastructure for live and on-demand streaming with advanced analytics.

paid
Supabase Storage logo
Supabase Storage

Open-source S3-compatible object storage with built-in authentication and security rules.

freemium
UploadThing logo
UploadThing

The 'Vercel for file uploads' offering a developer-first, type-safe experience for Next.js and React.

freemium
Vercel Image Optimizer logo
Vercel Image Optimizer

Built-in image optimization for Next.js applications on Vercel.

freemium

Analytics

Amplitude logo
Amplitude

Leading product analytics platform for measuring user behavior and driving growth strategies.

freemium
Counterscale logo
Counterscale

Open-source, scalable analytics solution focused on server-side event tracking.

open-source
Fathom Analytics logo
Fathom Analytics

Simple, GDPR-compliant website analytics that respect user privacy without cookies.

paid
Flagsmith logo
Flagsmith

Open-source feature flag service with a focus on API-first design and multi-platform support.

freemium
GoatCounter logo
GoatCounter

Open-source, privacy-friendly web analytics solution with a simple JavaScript tracker.

open-source
Hotjar logo
Hotjar

Behavior analytics tool that combines session replays, heatmaps, and feedback polls to understand user experience.

freemium
LaunchDarkly logo
LaunchDarkly

The industry-standard feature flag and experimentation platform for safe software delivery.

freemium
Matomo logo
Matomo

Open-source web analytics platform providing a Google Analytics alternative with full data ownership.

open-source
Mixpanel logo
Mixpanel

Powerful product analytics platform for understanding user behavior and optimizing conversion funnels.

freemium
OpenReplay logo
OpenReplay

Open-source session replay and live user monitoring for debugging and experience optimization.

open-source
Plausible logo
Plausible

Lightweight, open-source alternative to Google Analytics with a focus on privacy and simplicity.

freemium
PostHog logo
PostHog

The all-in-one, open-source product analytics, session replay, and feature flags platform for developers.

freemium
Snowplow logo
Snowplow

Enterprise-grade open-source data collection platform for building custom analytics pipelines.

open-source
Tinybird logo
Tinybird

Real-time analytics data platform for building custom analytics endpoints on streaming data.

freemium
Umami logo
Umami

A simple, fast, and privacy-focused open-source alternative to Google Analytics.

open-source
Unleash logo
Unleash

Open-source feature management platform with a powerful strategy engine.

open-source
Vercel Analytics logo
Vercel Analytics

Privacy-focused web analytics built directly into the Vercel platform for Next.js apps.

freemium