head to head · open source
imgui vs engine
imgui has 77,008 GitHub stars, 12,101 forks, 1,227 open issues and last shipped 3 days ago. engine has 17,229 stars, 2,051 forks, 471 open issues and last shipped yesterday. imgui leads on adoption by 347% (77,008 vs 17,229 stars). imgui is written in C++ under MIT; engine is written in JavaScript under MIT. imgui has attracted 16% as many forks as stars, engine 12%. engine was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (game-development, game-engine, gamedev), 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 | engine | |
|---|---|---|
| GitHub stars | ★ 77K | ★ 17K |
| License | MIT | MIT |
| Written in | C++ | JavaScript |
| Last push | 2026-11-05 | 2026-11-07 |
| Forks | ⑂ 12K | ⑂ 2.1K |
| 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 engine if
- You want the engine feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and engine 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 engine
PlayCanvas Engine PlayCanvas is an open source game engine built on WebGL2 and WebGPU. Use it to create interactive 3D apps, games and visualizations that run in any browser on any device. English 中文 日本語 한글 Install Or scaffold a full project in seconds with create playcanvas : Usage Here's a super simple Hello World example a spinning cube! Want to play with the code yourself? Edit it on CodePen. A full guide to setting up a local development environment based on the PlayCanvas Engine can be found here. Features PlayCanvas is a fully featured game engine. 🧊 Graphics Advanced 2D + 3D graphics engine built on…
read the full engine overview →
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Frequently asked questions
Is imgui or engine more popular?
imgui has 77,008 GitHub stars and engine has 17,229. imgui has the larger community by that measure.
Are imgui and engine free?
Both are open source. imgui is licensed under MIT and engine under MIT. Neither carries a licence fee.
What is the difference between imgui and engine?
imgui is written in C++ and engine in JavaScript. 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 engine?
Choose imgui if you want the larger community (77,008 stars) or its MIT licence terms. Choose engine if its feature set, stack or MIT licence fits better. Both are self-hostable.