Best math/ML visual explanations — neural networks, transformers, linear algebra

Andrew Ng's courses — audit free via Coursera

Code-first deep learning — the bottom-up approach

MIT automation with MCP support — YC-backed

Open-source Zapier alternative — self-hostable, 200+ integrations, AI-powered automation builder

Self-hosted automation platform — 176K stars, 400+ integrations

8,000+ app connections, industry standard

IP-safe — trained on licensed content only

OpenAI's image generator — best prompt adherence and text rendering

OpenAI's latest image gen model — photorealistic outputs, accurate text rendering, instruction-following

Best AI text rendering, ex-Google Brain

Real-time AI canvas — FLUX, SDXL, video, upscale, free tier

150 daily tokens + unlimited relaxed gen

Industry-leading AI image generation — best aesthetic quality

Google's conversational image gen/edit — best-in-class character consistency across edits

Most popular open-source image model

529× faster agents than LangGraph, 50× lower memory

Deploy AI apps at scale

StackBlitz AI app builder — generates, runs, and deploys full-stack apps entirely in the browser via WebContainers

MCP server that provides up-to-date library documentation to AI coding assistants — eliminates hallucinated APIs

Google's AI app builder — generates full-stack apps from natural language prompts with Firebase backend

Build ML demos with Python in minutes

GitHub of ML — 500K+ models, free Spaces, ZeroGPU

AI app builder focused on beautiful UI/UX — Supabase integration, GitHub sync, one-click deploy

Persistent AI memory — 26% better accuracy, 91% lower latency

No-code AI app builder for non-technical users — drag-and-drop with AI logic blocks and API integrations

Type-safe AI agent framework

28.7K-star Telegram bot library — built-in scheduler

Python scripts → interactive data apps

TypeScript SDK for AI-powered web apps

529× faster agent instantiation than LangGraph, 50× lower memory — plug-and-play SQLite/JSON storage

Rust AI daemon — Telegram interface, 40+ tools, ~10MB idle, SQLite+vectors

Microsoft multi-agent framework — 54K+ stars

Local CLI AI agent with scheduled tasks, multi-provider, and MCP support

Multi-agent orchestration — role-based, 44K+ stars

Role-based multi-agent orchestration — good for quick prototyping personal agent crews

Docker's framework for building and running AI agent teams from YAML configs

Google's Agent Development Kit — Gemini-native, multi-agent, A2A protocol

Most mature open second-brain AI — native Obsidian integration, semantic search, deep research

Production agent graphs — SQLite persistence, human-in-the-loop interrupts

Directed graph agent workflows — SQLite checkpointers for persistence, human-in-loop interrupts, 13.9K stars

Production-grade directed graph agent orchestration — checkpointing, human-in-loop, streaming, LangSmith integration

Microsoft's framework for multi-agent systems — Azure integration, Teams/M365 connectors, A2A protocol support

OpenAI's official agent SDK — multi-agent orchestration, guardrails, handoffs

Viral autonomous AI platform — 100K+ stars, multi-channel messaging, skills ecosystem

An open-source framework for building AI tools using AI-assisted development.

Non-dilutive grants for novel AI applications — no equity taken

$60M+ distributed to OSS builders — $100–$50K+ per bounty, GitHub-integrated

Bug bounties for Web3 — $10K minimum critical, up to $10M rewards

Jamba models — $10 free credits

Ultra-fast wafer-scale inference — free tier, no card

Edge-deployed AI with free vector DB

GPT-4 class at $0.27/M tokens

Enterprise-grade inference — HIPAA/SOC2

Most generous free tier — all models including 2.5 Pro/Flash, 1M context

Ultra-fast inference (300+ tok/sec) — no credit card

European AI — 1B free tokens/month, open-weight models

Unified API gateway to 30+ free models

200+ open-source models on dedicated clusters

Largest sign-up bonus — $25 + $150/mo with data opt-in

Rust personal AI daemon — Telegram interface, 40+ tools, SQLite+vectors, cron scheduling, ~10MB idle

Morning briefing + goal alignment + inbox triage via Claude Code; goals.yaml pattern reduces 45min → 5min startup

Claude Code + Obsidian + local SQLite/vector memory with provenance chains tracing facts to source documents

LangGraph + Telegram multi-agent system — supervisor orchestrating Email, Calendar, Notion, Slack sub-agents

Most mature open-source second-brain AI — Obsidian integration, semantic search, deep research, scheduled automations

Free CLI tool for AI pair programming that works with Git

AWS's terminal AI assistant — code, deploy, and manage AWS from the command line

Multi-agent coding CLI — dispatches 4 agents in parallel, CI/CD ready

Anthropic's agentic coding CLI — spawns sub-agents, MCP support, custom slash commands

Rust Claude Code reimplementation with rich TUI, plugins, and multi-provider support

Agentic AI assistant that reasons, plans, and executes multi-step tasks autonomously

OpenAI's terminal coding agent — sandboxed execution, MCP support, ChatGPT OAuth

Rust-native Claude Code alternative — any LLM provider, MCP compatible

Charm's terminal AI coding assistant with LSP integration and beautiful TUI

LangChain's terminal coding agent — any LLM, persistent memory, custom skills

Google's open-source CLI coding assistant — 1M token context window, MCP server support, agentic coding from the terminal

GitHub's AI for the terminal — explain commands, generate scripts, fix errors

Block's open-source AI agent — runs in terminal, automates dev tasks, MCP-native

Streaming TUI coding agent with MCP, 100+ LiteLLM providers, multi-agent workflows

Local-first AI CLI with Ollama support, 60+ structured tools, and rich TUI

Open-source AI coding agent for terminal, IDE, and desktop — multi-provider

Decentralized cloud marketplace — 80% cheaper than AWS, 30–100% provider APY

Decentralized ML network — 21M fixed supply Bitcoin-like, 5–80% staking APY

Share unused bandwidth for AI data — Season 2: 170M token airdrop, 3× mobile multiplier

327K verified GPUs — $1M+/month revenue; co-staking for non-GPU holders

46M+ frames rendered, 300K GPUs — expanding into AI inference workloads

AI-first code editor with intelligent completions and refactoring

AWS AI assistant for code completion, chat, and security scanning

AWS IDE with spec-driven development — generates requirements, design docs, and task plans before writing code

Autonomous VS Code AI agent — plan & act mode, MCP support

Free AI code completions — unlimited, fast, 70+ languages

Open-source AI code assistant — bring your own model (local or cloud)

Google's Gemini-powered coding assistant for individuals

AI pair programmer with code completions and chat

Alibaba's AI IDE — multi-agent collaboration for full-stack development

Open-source AI coding agent for VS Code — fork of Cline with multi-provider support

AI code assistant with deep codebase search and context understanding

1M-token context code completions — fastest inline AI

AI code completions that never train on your code

ByteDance's free AI IDE — Claude + GPT models at no cost

Autonomous AI coding agent for VS Code that plans architecture, writes production-ready code, and runs tests.

Vercel's AI UI generator — React/Tailwind components from prompts

AI-native editor with Cascade agent — free tier with GPT-4.1 and Claude access

$1K–$100K+ Claude credits via VC partners — premium rate limits included

Up to $100K standard + GenAI Activate $300K for Bedrock projects

Up to $350K for AI-first startups ($250K yr1 + $100K yr2)

Up to $150K Azure credits — includes Azure OpenAI 20–30% cheaper than direct OpenAI

Free membership — training credits, SDK access, hardware pricing, zero equity

Run open-source models via API — free credits for new users

Browser Company's AI search — browses the web for you and summarizes

Privacy-first search API — 2K free/month

Neural search API — ideal for AI agents

Developer-focused AI search with code answers

AI search engine with multi-model chat and source citations

Open-source LLM observability — traces, evaluations, experiments, prompt tracking in a single dashboard

One-line proxy — cost tracking, 95% cache savings, 100+ model providers

Framework-agnostic LLM tracing — generous free tier, European privacy

Unified OpenAI-format interface for 100+ providers — proxy server

Real-time LLM pricing across all providers — MCP server for Claude Code

Cross-platform AI terminal agent with 70+ offline skills and voice input

AI-powered shell assistant — wraps zsh, bash, fish with natural language

AI-native terminal with agent mode — natural language shell

Gold standard AI/ML preprints — open access forever

200M+ papers with AI-generated TLDR summaries

Free T4 GPU, 4hrs/session, 15GB storage — no AWS account needed

$100 free credits/year — no credit card, renewable annually

GPU cloud built for AI — NVIDIA's preferred cloud partner

Free T4/K80 GPU — 12-hour sessions, 15GB Drive

1,000+ TPUs free for researchers who publish findings

Free H200 (70GB VRAM) dynamic allocation — $10M commitment

30 hrs/week P100 + free TPU v3-8 — no credit card

Cheapest H100 rentals — $2.49/hr, no long-term commitment

~35 hrs/month T4 + 24/7 CPU studio + 100GB storage

Serverless GPU — $30/month ongoing credits, T4–H100

Serverless GPU rental — $10 free credits, per-second billing

Multi-channel chatbot builder — established since 2017

Visual AI workflow builder — 129.8K stars

Drag-and-drop LangChain builder

LLM evaluation + optimization platform — open-source, self-hostable

60+ benchmarks — powers the Open LLM Leaderboard

Test and evaluate LLM prompts — catch regressions before production

RAG evaluation — faithfulness, precision, recall metrics

Custom AI chatbots for SMBs — embed anywhere, train on your data

AI revenue intelligence — analyzes sales calls to surface insights

Visual AI agent builder — enterprise-ready conversation design

GPT-4o with browsing, uploads, image gen

Projects, Artifacts, Constitutional AI safety

Anonymous AI chat — GPT-4o mini, Claude Haiku, Llama, no account

Gemini 2.5, Thinking mode, Google integration

Mistral's free chatbot — fastest response times, European privacy

AI search with citations + Deep Research

Simplest vector DB — in-process, zero setup, data stays local

Billion-scale + GPU acceleration — 25K+ stars

Managed vector DB — SOC 2/HIPAA

Rust-based high-performance vector search

Simplest in-process vector DB for personal AI — zero infrastructure, data never leaves machine

AI-native notes app — auto-organizes, surfaces relevant notes as you write

Hybrid memory layer — vector+KV+graph store; 26% higher accuracy on LoCoMo benchmark; 91% lower latency vs full-context

AI note-taking with backlinks — your connected second brain

An open-source tool for AI development and data processing workflows.

Cohere's open-weight model — 104B, best for RAG and tool use

Rivals GPT-4; R1 = chain-of-thought reasoning

Google's open models — multimodal, 1B to 27B, runs on a single H100

Moonshot's 1T-parameter MoE — open-weight, agentic, coding-optimized

Best all-around open LLM — 8B to 405B

Best compact MoE — Apache 2.0

Best small models — consumer hardware

Apache 2.0; 29+ languages; 235B MoE

AI training data + RLHF work — $20–50+/hr, variety of tasks

Scale AI's RLHF platform — $21–50/hr for coding, writing, math expertise

AI research studies — $8–15/hr, more consistent than gig platforms

RLHF annotation work — $20-50/hr, expert tracks available

Vetted expert annotators for NLP and RLHF — competitive specialist rates

Micro-task annotation platform — global, flexible, instant payout

30+ metrics + red teaming 40+ vulnerabilities

70+ fairness metrics + 10 mitigation algorithms

Meta's open-source content safety classifier — 8B, runs locally

Programmable LLM guardrails — PII, jailbreak, fact-check

High-quality AI translation (German company)

130+ languages, camera/voice

AI writing assistant for grammar, tone, and multilingual rewriting

Grammar + AI writing — text never trains models

In-browser readability analysis — no account needed

Unlimited AI generations, 40+ templates

Edit video and audio by editing text — AI-powered, like a doc

AI avatar video — photorealistic talking heads from text

Kuaishou's video gen model — strong motion quality, cinematic camera control, up to 2 minutes output

Most generous free AI video — 66 daily credits

Ray 2 video model — high-fidelity motion, free daily credits

Fast video gen from Stanford founders

Professional — used in Oscar-winning films

OpenAI video generation — 1080p output, up to 20 seconds, text-to-video and image-to-video modes

AI video generation for business — 230+ avatars, 140+ languages

Google's video gen with native audio — highest quality output, synchronized sound effects and dialogue

Leading voice gen + cloning ($11B valuation)

Enterprise TTS — SOC 2, HIPAA

Enterprise AI agent platform — SOC2 and HIPAA compliant, audit trails, role-based access for regulated industries

General-purpose AI agent — executes complex multi-step tasks autonomously with browser, code, and file capabilities

An open-source AI model now available as part of the OpenClaw workspace.

An open-source AI model implementation for various applications.

Neural semantic web search — deep/academic source retrieval; agent-native API design

150K+ sources, semantic search — 2000 free searches/month; ideal for proactive AI trend alerts

100% free Zoom recording + CRM sync

AI presentations — PPTX/PDF export

AI research — 100 notebooks, audio overviews

AI meeting notes that enhance your own — no bots in the call

AI workspace with databases and wikis

Local-first knowledge base — AI daemon-friendly via REST API

Vault-wide RAG inside Obsidian — 50+ LLM providers

Mac productivity launcher with built-in AI chat and quick actions

Local-first AI embeddings for Obsidian

Unlimited meeting recordings in 30+ languages

Unified CLI for 10+ AI providers — ffmpeg-style interface for LLMs

Monthly bounty contests + subscription creator channels for popular prompts

Largest prompt marketplace — 220K+ prompts, sellers keep 80–100% revenue

State-of-art image gen — 92% text accuracy

82M param TTS — high quality, minimal HW

Best open ASR — 99+ languages

An open-source multi-agent AI framework for building automated systems.

Industry standard analytics — AI predictive metrics

20M events/month free + AI Spark analytics

Chat with your data in Python — MIT licensed

Open-source semantic LLM cache — 61–69% hit rate, 97%+ accuracy, saves $2K+/day

Enterprise vector semantic caching with context-enabled search

Run 500B+ parameter LLMs locally on consumer hardware with streaming quantization.

Full HN search API — no auth, unlimited, great tech pulse signal

150K+ news sources with semantic search — ideal for trend monitoring agents

Unified API for 1M+ models — 152K stars

LLM orchestration — 700+ integrations

RAG data framework — 300+ packages

Dominant DL framework — ~87K stars

1M contacts, Breeze AI chatbot — free forever

AI marketing copilot — brand voice, campaigns, content at scale

Email marketing standard — AI content suggestions

Open-source 3D from Tencent

AI 3D models — CC BY 4.0

Zero-code fine-tuning Web UI — 40K+ stars

2–5× faster, 80% less VRAM fine-tuning

Mechanistic interpretability routing — claims up to 98% cost savings; $9M backed

AI model router — picks the cheapest model that meets your quality bar

Open-source strong/weak model router from UC Berkeley LMSYS

Quality/cost/latency sliders — live benchmarks updated every 10 minutes

Official Model Context Protocol server registry — discover and install MCP servers for any tool or data source

Open-source instrumental from Meta

Complete songs with vocals — 50 daily credits

AI music generation — 1,200 free songs/month, vocals + instrumentals

Vault-wide RAG inside Obsidian — 50+ LLM providers, 3.2K stars; bring your own API key

HTTPS REST API for Obsidian vault — read/write/append notes, daily notes, search; 1.7K stars

Local-first AI embeddings — bge-micro-v2 model runs entirely in Obsidian; vectors stored alongside vault

Run 100+ LLMs locally from the terminal — completely free

Primary open LLM evaluation leaderboard

Papers + code + benchmarks — track SOTA on any ML task

An open-source framework for building and deploying AI-powered bots.

An open-source development workspace and environment for AI projects.

A free AI multi-agent interactive classroom generator for creating educational scenarios.

28.7K-star PTB library — built-in JobQueue for proactive messages, ConversationHandler, PicklePersistence

Gold standard feature attribution — 20K+ stars, industry standard

100% free forever — unlimited agents, chats + AI Bot

Serverless Redis + Kafka + QStash — per-request pricing, generous free tier, ideal for AI agent state and queues