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Dear ImGui – Bloat-free graphical user interface library for C++

github.com Software & code Source code Computer science Class of 2020-11 Hall of Fame
Screenshot of github.com captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 8 calendar years, with breakout response in 3 of them.

submissions
15
submitters
12
observed span
2014–2023
peak thread · 180 comments
284 pts
latest 20+ return · 2023-12-20
146 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

As much as I like Dear ImGui, the immediate mode paradigm doesn't work everywhere. The problem of "page tearing" (not to be confused with vsync) means you either need to render frames continuously, or at least 2 frames for every time you get input or need to implement some kind of "retained mode state tracking" on top of Imgui. It's good for games, but for applications where you're not rendering new frames constantly, the paradigm doesn't seem a very good…

exDM69·284-point thread·

Dear ImGUI is amazing and I wish all UI development was so easy and simple. That said, be aware its original purpose is as a UI for internal game dev tools and not customer facing tool. It's neither international friendly nor accessibility friendly. Those are 2 feature usually not needed for internal tools.

nox100·146-point thread·

Other than the REALLY inadvisable name choice (good luck getting precise search results for the term IMGUI now...), this looks great. The low # of commits and vague name might be a bad signs, but check the repo description: Developed at Media Molecule and used internally for a title they've shipped, with feedback from domain experts like Casey Muratori. Those two points alone make me pretty excited to try this out. And a brief explanation of why this matters: IMGUI…

I made a similar thing (c++ opengl gui) and ported it to webassembly http://shi-yan.github.io/AssortedWidgets/

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
3

100+ points or 50+ comments

Total points
596

reference only — not used in Hall rules or ranking

Total comments
333

reference only — not used in Hall rules or ranking

Every submission