huggingface/transformers

facebook/react

“Still the most widely deployed UI library in the industry - the ecosystem, tooling, and hiring pool around it are unmatched.”

JetBrains/kotlin

“Google's preferred language for Android development - more concise and null-safe than Java, and increasingly used for backend/multiplatform code too.”

apple/swift

“The language every modern iOS/macOS app is built in today - fast, type-safe, and tightly integrated with Apple's frameworks.”

prisma/prisma

“A schema-first ORM with genuinely excellent TypeScript autocompletion and a smooth migration story - the most approachable ORM for a Node/TS backend today.”

langchain-ai/langchainEditor's Pick

The agent engineering platform.

“The most widely adopted framework for chaining LLM calls, tools, and retrieval into real applications - a near-default starting point for RAG and agent projects.”

vercel/aiHidden Gem

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

“The cleanest way to wire streaming LLM responses into a React/Next.js UI - handles the hard parts (streaming, tool calls, edge runtimes) so you don't have to.”

openai/openai-python

“The official, minimal-overhead client for OpenAI's API - the right starting point before reaching for a bigger framework.”

microsoft/autogenHidden Gem

“One of the earliest serious multi-agent orchestration frameworks - useful once a single agent/chain isn't enough for the problem.”

crewAIInc/crewAIHidden Gem

“A lighter-weight take on multi-agent orchestration - agents get explicit roles and goals, which reads more naturally than raw chain composition.”

BerriAI/litellmEditor's PickHidden Gem

“Unifies dozens of LLM providers behind a single API, making model switching almost effortless in production.”

supabase/supabaseEditor's Pick

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

“A genuinely open-source Firebase alternative - real Postgres underneath, with auth, storage, and realtime built in rather than a proprietary database.”

kubernetes/kubernetesEditor's Pick

“The industry-standard container orchestrator - not always necessary at small scale, but the default assumption for any serious cloud-native platform team.”

postgres/postgresEditor's Pick

“The most capable open-source relational database available - strong standards compliance, extensions for nearly everything (including full-text search and vectors), and a default choice for good reason.”

vitejs/viteEditor's Pick

“The modern default frontend build tool - native ESM in dev means a dev server that starts and reloads almost instantly, even on large apps.”

moby/mobyEditor's Pick

“The open-source engine behind Docker - understanding containers here pays off no matter which orchestrator sits on top later.”

hashicorp/terraformEditor's Pick

“The standard tool for infrastructure-as-code across every major cloud provider - one declarative language instead of provider-specific consoles or scripts.”