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Top 17 C developer-tool Projects
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codebase-memory-mcp
High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.
Project mention: Stop Making Your AI Coding Agent Grep Your Whole Repo — Try codebase-memory-mcp | dev.to | 2026-06-20codebase-memory-mcp is an open-source MCP server built to fix exactly that. It indexes your codebase into a persistent knowledge graph — functions, classes, call chains, HTTP routes, cross-service links — and lets your agent ask structural questions directly instead of reading its way through the filesystem.
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FalkorDB
A super fast Graph Database uses GraphBLAS under the hood for its sparse adjacency matrix graph representation. Our goal is to provide the best Knowledge Graph for LLM (GraphRAG).
A couple of days ago I started to play with FalkorDB, an Open Source Graph Database. I already gave a presentation in Hebrew on how to use in general and specifically in Python. In a couple of hours I am going to give another one - this time in English - an intro to GraphDB. I'll use Rust for the programatic examples. It seems there is no client for it in Perl so it might be an interesting project to build one. The one in Python uses the Redis module for connectivity so I looked at the options to use Redis in Perl. MetaCPAN showed the Redis module as the first hit. Unfortunately that module did not have a commit for 3 years and there are many outstanding Issues and even PRs. So I posted about it both in the Perl Maven WhatsApp group and in the Telegram channel. Within seconds I was pointed towards Mojo::Redis and Redis::XS as alternatives.
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Project mention: CliFM: The shell-like, command line terminal file manager | news.ycombinator.com | 2026-01-22
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qtap
Qtap: An eBPF agent that captures pre-encrypted network traffic, providing rich context about egress connections and their originating processes.
Project mention: Show HN: QTap DevTools – Chrome-style encrypted traffic inspector for Linux | news.ycombinator.com | 2026-01-21- Data never leaves your machine
DevTools is free and open source (AGPL-3.0).
GitHub: https://github.com/qpoint-io/qtap
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Consider the following declarations (borrowed by my cdecl project):
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Project mention: Hardening API Scan Boundaries in skill-scanner, with sqry as the Review Map | dev.to | 2026-06-14
The tool that changed the review was sqry, version 20.0.5. sqry uses "semantic" in the compiler sense, it parses code into ASTs, builds a graph of symbols and relationships, and answers structural questions from that graph. It is not an embedding search tool, and it is not just grep with better ranking.
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Project mention: Show HN: GitHub Desktop WSL – Like VS Code Remote WSL, but for GitHub Desktop | news.ycombinator.com | 2026-03-26
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gortex
High-performance code intelligence engine that indexes repositories into an in-memory knowledge graph and exposes it via CLI, MCP Server, and web UI. Built for AI coding agents - expose only needed information - one get_editing_context call replaces 5-10 file reads, cutting token usage by ~94%.
Project mention: Show HN: Gortex – MCP server for cross-repo code intelligence | news.ycombinator.com | 2026-04-21 -
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Project mention: Show HN: Zym, An embeddable scripting language with a focus on control | news.ycombinator.com | 2026-02-24
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claude-pager
Fast C transcript pager for Claude Code: no blank Ctrl-G screen, clickable links/files, queued prompt composer, TurboDraft fast path.
Project mention: Show HN: TurboDraft – fast Ctrl-G prompt editor for Claude Code and Codex CLI | news.ycombinator.com | 2026-02-21- built specifically for prompt-edit iteration speed
Related tool: https://github.com/gradigit/claude-pager
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prongc
Tool that detects shared state and data-flow overlap between C function calls without whole-program analysis.
Project mention: prongC: A Static Analysis Tool That Helps You Detect C Shared Data Accesses | dev.to | 2026-06-25If you've ever stared at a large C codebase wondering whether two function calls touch the same shared state, you know the pain. Manual code review is error-prone, and full program analysis can be overkill. prongC was built to solve exactly this problem. It's a lightweight static analysis tool that detects shared variable accesses between function calls without requiring whole-program analysis.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C developer-tools discussion
C developer-tools related posts
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Stop Making Your AI Coding Agent Grep Your Whole Repo — Try codebase-memory-mcp
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High-performance code intelligence MCP server
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Code Intelligence MCP Server
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yazi: Rust Terminal File Manager with Image Preview — Alacritty Fix Included
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How I Cut My AI Coding Agent's Token Usage by 120x With a Code Knowledge Graph
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Show HN: Zym, An embeddable scripting language with a focus on control
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Musings on Structure Declarations
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A note from our sponsor - SaaSHub
www.saashub.com | 11 Jul 2026
Index
What are some of the best open-source developer-tool projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | codebase-memory-mcp | 29,404 |
| 2 | nnn | 21,694 |
| 3 | ctags | 7,237 |
| 4 | FalkorDB | 4,738 |
| 5 | clifm | 1,698 |
| 6 | qtap | 1,448 |
| 7 | bake | 740 |
| 8 | bcal | 697 |
| 9 | interrupt | 544 |
| 10 | cdecl | 348 |
| 11 | sqry | 27 |
| 12 | GithubDesktopWSL | 19 |
| 13 | gortex | 9 |
| 14 | bmptk | 8 |
| 15 | zym | 7 |
| 16 | claude-pager | 6 |
| 17 | prongc | 2 |
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