head to head · open source
SafeLine vs optillm
SafeLine has 23,166 GitHub stars, 1,597 forks, 69 open issues and last shipped 14 days ago. optillm has 4,337 stars, 398 forks, 23 open issues and last shipped 3 days ago. SafeLine leads on adoption by 434% (23,166 vs 4,337 stars). SafeLine is written in Go under GPL-3.0; optillm is written in Python under Apache-2.0. SafeLine has attracted 7% as many forks as stars, optillm 9%. optillm was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api-gateway), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| SafeLine | optillm | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 4.3K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-10-22 | 2026-11-02 |
| Forks | ⑂ 1.6K | ⑂ 398 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SafeLine if
- You weight community size — 23K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick optillm if
- You want the optillm feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and optillm fits your workflow better
About SafeLine
SafeLine Make your web apps secure 🏠 Website 📖 Docs 🔍 Live Demo 🙋♂️ Discord 中文版 🏆 Achievements 👋 INTRODUCTION SafeLine is a self hosted WAF(Web Application Firewall) to protect your web apps from attacks and exploits. A web application firewall helps protect web apps by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web apps from attacks such as SQL injection , XSS , code injection , os command injection , CRLF injection , ldap injection , xpath injection , RCE , XXE , SSRF , path traversal , backdoor , bruteforce , http flood , bot abused , among…
read the full SafeLine overview →
About optillm
OptiLLM 🚀 2 10x accuracy improvements on reasoning tasks with zero training 🤗 HuggingFace Space • 📓 Colab Demo • 💬 Discussions OptiLLM is an OpenAI API compatible optimizing inference proxy that implements 20+ state of the art techniques to dramatically improve LLM accuracy and performance on reasoning tasks without requiring any model training or fine tuning. It is possible to beat the frontier models using these techniques across diverse tasks by doing additional compute at inference time. A good example of how to combine such techniques together is the CePO approach from Cerebras. ✨ Key Features 🎯…
read the full optillm overview →
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Frequently asked questions
Is SafeLine or optillm more popular?
SafeLine has 23,166 GitHub stars and optillm has 4,337. SafeLine has the larger community by that measure.
Are SafeLine and optillm free?
Both are open source. SafeLine is licensed under GPL-3.0 and optillm under Apache-2.0. Neither carries a licence fee.
What is the difference between SafeLine and optillm?
SafeLine is written in Go and optillm in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, SafeLine or optillm?
Choose SafeLine if you want the larger community (23,166 stars) or its GPL-3.0 licence terms. Choose optillm if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.