# AdaptiveCards (open-source chat app)

> AdaptiveCards is a free, open-source chat app for Windows. A new way for developers to exchange card content in a common and consistent way. It has 1,964 GitHub stars and is released under the MIT license. Its source code is on GitHub at microsoft/AdaptiveCards.

Adaptive Cards are a new way for developers to exchange content in a common and consistent way. Get started today by putting Adaptive Cards into Microsoft Teams, Outlook Actionable Messages, Cortana Skills, or Windows Timeline -- or render cards inside your own apps by using our SDKs.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/microsoft/AdaptiveCards |
| Platforms | Windows |
| Interface | desktop GUI |
| GitHub stars | 1,964 |
| License | MIT (open source) |
| Replaces | n/a |
| Language | C# |
| Website | https://adaptivecards.io |
| Official | yes (published by the project behind the app) |
| Category | Chat & communication |
| Latest release | adaptivecards@3.0.6 (Apr 7, 2026) |
| Last commit | Oct 6, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/microsoft/AdaptiveCards/releases) or website, or build it from source by following the README.

## Similar desktop apps

- [Tdesktop](https://appsgit.com/desktop-apps/tdesktop): Telegram Desktop messaging app. (33,131 stars, GPL-3.0)
- [Zulip](https://appsgit.com/desktop-apps/zulip): Zulip server and web application. Open-source team chat that helps teams stay productive and focused. (26,012 stars, Apache-2.0, official)
- [Signal Desktop](https://appsgit.com/desktop-apps/signal-desktop): A private messenger for Windows, macOS, and Linux. (16,565 stars, AGPL-3.0, official)
- [Hammerspoon](https://appsgit.com/desktop-apps/hammerspoon): Staggeringly powerful macOS desktop automation with Lua. (16,240 stars, MIT, official)
- [Solaar](https://appsgit.com/desktop-apps/solaar): Linux device manager for Logitech devices. (9,459 stars, GPL-2.0)
- [BetterDiscord](https://appsgit.com/desktop-apps/betterdiscord): Better Discord enhances Discord desktop app with new features. (9,272 stars, Apache-2.0, official)

---

Canonical page: https://appsgit.com/desktop-apps/adaptivecards
Source: appsgit (https://appsgit.com), the app store for github. Data from the GitHub API, refreshed nightly.
Machine access: JSON API https://appsgit.com/api/v1/apps (OpenAPI: https://appsgit.com/openapi.json), MCP server https://mcp.appsgit.com/mcp, full index https://appsgit.com/llms-full.txt.