Developer Tools & Utilities

Useful things that don't fit a layer.

Developer utilities

CapSoftware/Cap - Open-source screen recording for demos and bug reports.
OtterMind/Chat2DB - Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers.
astral-sh/uv - Extremely fast Python package and project manager written in Rust.
jdx/mise - Dev-tool version manager, env vars, and task runner in one binary.
pydantic/pydantic - Data validation in Python using type hints; core of most agent frameworks.
jd/tenacity - Python retry library with exponential backoff for flaky LLM API calls.
hynek/stamina - Production-grade retry library for Python async and sync workloads.
hoppscotch/hoppscotch - Open-source API development and testing ecosystem for web, desktop, and CLI.
usebruno/bruno - Open-source API IDE for exploring and testing APIs, a Postman alternative.

lemon956/aicommit - AI-powered git commit message generator.
owayo/git-smart-commit - Smart commit messages via AI coding agents with fallback.
qzhao19/auto-commit - AI commit message generator with conventional commits.
di-sukharev/opencommit - Generate commit messages with an LLM.
Nutlope/aicommits - Write git commit messages with AI.

mozilla-ai/any-llm - Mozilla's unified Python SDK for calling any LLM provider through one interface.
andrewyng/aisuite - Lightweight Python library offering one OpenAI-style API across many LLM providers.
openai/openai-python - Official Python SDK for the OpenAI API.
cluebbehusen/lmux - Modular Python library for unified multi-provider LLM access with cost reporting.
MiiFlow/miiflow-agent - Lightweight unified Python SDK for 9 LLM providers with built-in agent patterns.
openai/openai-node - Official JavaScript/TypeScript SDK for the OpenAI API.
openai/tiktoken - Fast BPE tokenizer for OpenAI models.
google/sentencepiece - Unsupervised text tokenizer for neural text generation.
huggingface/tokenizers - State-of-the-art fast tokenizers optimized for research and production.

hegelai/prompttools - Open-source toolkit for prompt testing and experimentation.
chrysogonus/prompt-maker-studio - Self-hosted workspace for writing, versioning, and testing prompts.
ale94lko/llm-workbench - Local-first multi-LLM workbench for comparing and versioning prompts.
supernova-app/ai-playground - Test prompts across multiple AI models simultaneously.
sekerderya/prompt-watch - Open-source LLM prompt versioning, A/B testing, and monitoring with a privacy-first SDK.

victory-c/token-counter - Local-first CLI auditing monthly AI coding-agent token spend.
eroslifestyle/token-ledger - Self-hosted token-usage dashboard aggregating spend across LLM providers.
DavidAucancela/llm-observatory - Open-source dashboard tracking Claude API tokens, cost, and latency live.
aryanjp1/costpilot - Self-hosted LLM cost analytics dashboard with budgets and forecasting.
PioneerSquareLabs/metergraph - Self-hostable content-blind LLM cost tracking per function with dashboard.
unkeyed/unkey - API key management platform with rate limiting and usage metering.
openmeterio/openmeter - Real-time usage metering and billing for AI, API, and DevOps products.

caprover/caprover - Self-hosted PaaS with one-click apps.
coollabsio/coolify - Self-hosted Heroku and Netlify alternative.
dokku/dokku - Docker-powered mini-Heroku.
nextcloud/server - Self-hosted file sync and collaboration.
portainer/portainer - Container management UI for Docker and Kubernetes.
syncthing/syncthing - Continuous peer-to-peer file sync.
rclone/rclone - Sync files across 70+ cloud providers.
borgbackup/borg - Deduplicating archiver with compression.
restic/restic - Fast, secure backup program.
louislam/uptime-kuma - Self-hosted uptime monitoring.
dgtlmoon/changedetection.io - Free website change detection and alerts.
Dokploy/dokploy - Self-hostable PaaS to deploy apps and AI services with Docker.