# Treesheets (open-source office app)

> Treesheets is a free, open-source office app for Windows, macOS and Linux. Hierarchical spreadsheet: a free-form data organizer that replaces outliners, mind maps and spreadsheets. It has 3,178 GitHub stars and is released under the Zlib license. Its source code is on GitHub at aardappel/treesheets.

Welcome to the TreeSheets productivity tool! ============================================ TreeSheets is a "hierarchical spreadsheet" that is a great replacement for spreadsheets, mind mappers, outliners, PIMs, text editors and small databases.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/aardappel/treesheets |
| Platforms | Linux, macOS, Windows |
| Interface | desktop GUI |
| GitHub stars | 3,178 |
| License | Zlib (open source) |
| Replaces | n/a |
| Language | C++ |
| Website | https://strlen.com/treesheets/ |
| Official | no |
| Category | Office & spreadsheets |
| Latest release | v2.22.5 (Oct 26, 2026) |
| Last commit | Oct 26, 2026 |

## Install

### Flathub (Linux)

```sh
flatpak install flathub com.strlen.TreeSheets
```

Package page: https://flathub.org/apps/com.strlen.TreeSheets

## Similar desktop apps

- [Texstudio](https://appsgit.com/desktop-apps/texstudio): TeXstudio is a fully featured LaTeX editor. (3,680 stars, GPL-3.0)
- [Moneymanagerex](https://appsgit.com/desktop-apps/moneymanagerex): Money Manager Ex is an easy to use, money management application built with wxWidgets. (2,278 stars, GPL-2.0)
- [LibreOffice](https://appsgit.com/desktop-apps/libreoffice): Read-only LibreOffice core repo - no pull request (use gerrit instead https://gerrit.libreoffice.org/) - don't download zip, use https://dev-www.libreoffice.org/bundles/ instead. (4,572 stars, GPL-3.0, official)
- [ReoGrid](https://appsgit.com/desktop-apps/reogrid): Fast and powerful.NET spreadsheet component, support data format, freeze, outline, formula calculation, chart, script execution and etc. (1,607 stars, MIT, official)
- [Hledger](https://appsgit.com/desktop-apps/hledger): Robust, fast, intuitive plain text accounting tool with CLI, TUI and web interfaces. (4,798 stars, GPL-3.0)
- [ShardBrowser](https://appsgit.com/desktop-apps/shardbrowser): Free, open-source anti-detect browser launcher for web scraping and multi-accounting. (1,321 stars, MIT)

---

Canonical page: https://appsgit.com/desktop-apps/treesheets
Source: appsgit (https://appsgit.com), the app store for github. Data from the GitHub API, refreshed daily.
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.