Top 10 Open-Source Picks: September 5
A curated look at the 10 open-source repositories that dominated developer attention on Saturday, September 5, 2026. From trending newcomers to steadily-growing community favorites, here is what mattered most.
magnitudedev/magnitude
Open source inference server that runs the best local models for your hardware, plugged into the agent you already use. Works with Pi, OpenCode, Hermes, OpenClaw, Codex, Claude Code, Oh My Pi, and Cline.
bikini/exploitarium
A single archive of public exploit PoCs and vulnerability research writeups. At the time I post these, none have been reported. Feel free to report them yourself and take credit for the CVE if handed out lulz. Please do not abuse these. I do this so to allure people into the field, and I've always found this is the most efficient way.
debpalash/VoiceStudio
VoiceStudio is the open-source, fully-local ElevenLabs alternative — voice cloning, voice design, video dubbing, dictation, transcription & audiobook creation in 646 languages.
radixark/miles
Miles is an enterprise-facing reinforcement learning framework for LLM and VLM post-training, forked from and co-evolving with slime.
krayin/laravel-crm
Krayin CRM is Free & Open Source CRM Built with Laravel for Customer, Lead, and Sales Management.
coreyhaines31/marketingskills
Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.
asgeirtj/system_prompts_leaks
Extracted system prompts from Anthropic - Claude Fable 5, Opus 4.8, Claude Code, Claude Design. OpenAI - ChatGPT 5.5 Thinking, GPT 5.5 Instant, Codex. Google - Gemini 3.5 Flash, 3.1 Pro, Antigravity. xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more. Updated regularly.
pppscn/SmsForwarder
短信转发器——监控Android手机短信、来电、APP通知，并根据指定规则转发到其他手机：钉钉群自定义机器人、钉钉企业内机器人、企业微信群机器人、飞书机器人、企业微信应用消息、邮箱、bark、webhook、Telegram机器人、Server酱、PushPlus、手机短信等。包括主动控制服务端与客户端，让你轻松远程发短信、查短信、查通话、查话簿、查电量等。（V3.0 新增）PS.这个APK主要是学习与自用，如有BUG请提ISSUE，同时欢迎大家提PR指正
Editor's Takeaway
On September 5, 2026, these 10 repositories captured the attention of developers worldwide. Leading the charge were fmt, magnitude, exploitarium alongside 7 other compelling projects, with each representing a different facet of where open-source momentum is heading. What ties them together is community trust: high star counts, active contributors, and real-world utility. If you haven't already, explore each project on its detail page, check out the contributor leaderboard, and consider starring the ones that solve problems you care about. Open source thrives when people engage, and these 10 repos are the proof.