head to head · open source
imgui vs Infernux
imgui has 76,925 GitHub stars, 12,103 forks, 1,227 open issues and last shipped 4 days ago. Infernux has 2,258 stars, 82 forks, 7 open issues and last shipped 6 days ago. imgui leads on adoption by 3,307% (76,925 vs 2,258 stars). imgui is written in C++ under MIT; Infernux is written in Python under MIT. imgui has attracted 16% as many forks as stars, Infernux 4%. imgui was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (game-engine), 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
| imgui | Infernux | |
|---|---|---|
| GitHub stars | ★ 77K | ★ 2.3K |
| License | MIT | MIT |
| Written in | C++ | Python |
| Last push | 2026-10-30 | 2026-10-28 |
| Forks | ⑂ 12K | ⑂ 82 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick imgui if
- You weight community size — 77K stars and counting
- You want the MIT license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick Infernux if
- You want the Infernux feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and Infernux fits your workflow better
About imgui
Dear ImGui ===== "Give someone state and they'll have a bug one day, but teach them how to represent state in two separate locations that have to be kept in sync and they'll have bugs for a lifetime." ryg (This library is available under a free and permissive license, but needs financial support to sustain its continued improvements. In addition to maintenance and stability there are many desirable features yet to be added. If your company is using Dear ImGui, please consider reaching out.) Businesses: support continued development and maintenance via invoiced sponsoring/support contracts: E mail: contact @…
read the full imgui overview →
About Infernux
0.4.3 hotfix 8 brings reversed Z rendering, isolated camera settings, repaired skies and shadows, and fixes for Hub window flashes and startup focus. See the changelog. Infernux · 熔炉 Build worlds. Give them intelligence. An open source game engine you write in Python, on its way to 3N: a Neural Network Native engine. Website · Download · Tutorials · API · Roadmap · Community · 简体中文 What is Infernux? Infernux is a game engine where Python is where you work and C++ is where it runs . You write gameplay, editor tools, render pipelines and numerical code in Python; a C++ runtime, a Vulkan renderer and Jolt physics…
read the full Infernux overview →
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Frequently asked questions
Is imgui or Infernux more popular?
imgui has 76,925 GitHub stars and Infernux has 2,258. imgui has the larger community by that measure.
Are imgui and Infernux free?
Both are open source. imgui is licensed under MIT and Infernux under MIT. Neither carries a licence fee.
What is the difference between imgui and Infernux?
imgui is written in C++ and Infernux 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, imgui or Infernux?
Choose imgui if you want the larger community (76,925 stars) or its MIT licence terms. Choose Infernux if its feature set, stack or MIT licence fits better. Both are self-hostable.