About Dear ImGui
Dear ImGui is a fast, portable, and renderer-agnostic GUI library for C++ that outputs optimized vertex buffers for rendering in 3D applications. Designed for rapid tool development, it minimizes state synchronization and dependencies, making it ideal for game engines, real-time 3D apps, and embedded systems. Used by major players in the game industry for creating dynamic, data-driven interfaces.
Pricing
Full pricing pageFreemiumFree option
Free
$0 per month
The basics for individuals and organizations
- Unlimited public/private repositories
- Host open source projects in public GitHub repositories
- Dependabot security and version updates
- 2,000 CI/CD minutes/month
- 500MB of Packages storage
- Issues & Projects
- Community support
Popular
Team
$4 per month
Advanced collaboration for individuals and organizations
- Everything included in Free
- Access to GitHub Codespaces
- Repository rules
- Multiple reviewers in pull requests
- Draft pull requests
- Code owners
- Required reviewers
- Pages and Wikis
- Environment deployment branches and secrets
- 3,000 CI/CD minutes/month
- 2GB of Packages storage
- Web-based support
- GitHub Secret Protection
- GitHub Code Security
Enterprise
$21 per month
Security, compliance, and flexible deployment
- Everything included in Team
- Data residency
- Enterprise Managed Users
- User provisioning through SCIM
- Enterprise Account to centrally manage multiple organizations
- Environment protection rules
- Repository rules
- Audit Log API
- SOC1, SOC2, type 2 reports annually
- FedRAMP Tailored Authority to Operate (ATO)
- SAML single sign-on
- Advanced auditing
- GitHub Connect
- 50,000 CI/CD minutes/month
- 50GB of Packages storage
- Premium support
FAQ
The library is poorly documented and expects users to be acquainted with C/C++. The Wiki is a hub to many resources and links. You can find a Getting Started guide, 20+ standalone example applications, and the ImGui::ShowDemoWindow() function which covers most features. The Issues and Discussions sections can also be searched for past questions and issues.
Dear ImGui uses an immediate-mode approach where the UI is fully issued on every update and the layout is fully dynamic. Traditional toolkits like Qt or GTK use a retained-mode approach where the UI is issued once and then modified. Dear ImGui is simpler to learn and use for basic tasks, but lacks some advanced layout features like alignment and resizing.
You can read the io.WantCaptureMouse, io.WantCaptureKeyboard, and io.WantTextInput flags from the ImGuiIO structure. When these flags are set, you need to discard/hide the corresponding inputs from your underlying application. However, you should always pass your mouse/keyboard inputs to Dear ImGui, regardless of these flags.
To enable keyboard controls, set io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard. To enable gamepad controls, set io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad (with a supporting backend). Gamepad support is particularly useful for using Dear ImGui on a game console without a mouse connected.
It is generally safe and recommended to sync to master/latest. The library is fairly stable and regressions tend to be fixed fast when reported. You may also use the 'docking' branch, which includes docking features and multi-viewport features, and is kept in sync with master regularly.
The FAQ does not provide specific instructions on how to load a different font. However, it mentions that you can handle DPI in your application and load multiple fonts. For more detailed information, you may need to refer to the Fonts section of the documentation.
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Pricing summary
Model
Freemium
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Free plan available, Team plan starts at $4 per user/month
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