Open Source Developer Tools
Discover 445 open source Developer Tools repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Developer Tools projects here are most often combined with Python, AI Agents and CLI. Last updated October 4, 2026.
445 repositories · updated October 4, 2026
awesome-java: Find Java Frameworks, Libraries, Tools, and Resources
A community-curated directory of Java frameworks, libraries, tools, and learning resources. Browse 839 projects across 81 categories to compare options for common development tasks.
awesome-javascript: Browse Curated Browser-Side JavaScript Resources
A categorized directory of browser-side JavaScript libraries, tools, and learning resources. Use it to explore options across areas such as testing, UI, visualization, storage, and machine learning.
destructive_command_guard: Block Dangerous Commands Before Execution
dcg is a Rust hook that checks commands from AI coding agents before they run and blocks destructive operations. It suits developers who want guardrails against accidental data or work loss, with configurable coverage for additional tools and services.
awesome-shell: Discover Command-Line Tools and Shell Resources
A community-curated directory of shells, terminal utilities, development tools, customization options, and learning guides. Use it to explore the command-line ecosystem and find tools suited to a particular shell or workflow.
awesome-swift: Discover Swift Libraries and Learning Resources
A community-curated directory of Swift libraries, tools, guides, and learning resources. Use it to explore options by category when building Swift applications or looking for ways to learn the language.
TencentDB-Agent-Memory: Share Reusable Memory Across AI Agents
TencentDB Agent Memory is a team memory hub that turns conversations, documents, and code into reusable assets for AI agents. It suits teams that want agents to share curated context and skills across sessions and frameworks.
zero: Run a Local Terminal Coding Agent
Zero is a Go-based terminal coding agent that can inspect and edit repositories, run commands, and work with many hosted or local models. It suits developers who want scriptable coding assistance with local sessions and explicit controls over side effects.
simpleaichat: Build Python ChatGPT Apps with Minimal Code
simpleaichat is a Python library for building chat applications and workflows with OpenAI chat models. It offers conversation management, streaming, asynchronous calls, structured data, and custom tools through a compact interface.
RAGChecker: Diagnose Retrieval-Augmented Generation Systems
RAGChecker evaluates RAG pipelines with overall, retriever, and generator metrics. It is for developers and researchers who need to identify whether retrieval or generation is driving quality problems and guide targeted improvements.
rerankers: Use Diverse Reranking Models Through One Python API
rerankers provides a shared Python interface for reranking documents with cross-encoders, LLM-based methods, and hosted APIs. It suits developers building retrieval systems who want to compare or switch rerankers without adapting their application to each model's interface.
llm-compressor: Compress Models for vLLM Inference
LLM Compressor applies post-training quantization and related model transformations to prepare Hugging Face models for vLLM deployment. It suits teams seeking smaller or more inference-efficient checkpoints, with support for multiple formats and large-model workflows.
LazyLLM: Build Multi-Agent LLM Applications
LazyLLM is a Python framework for assembling, testing, and deploying multi-agent LLM applications with low-code workflows. It suits developers who want to combine models, tools, and RAG components while iterating across local or online services.