sleek is an open-source (FOSS) todo manager based on the todo.txt syntax. Stripped down to only the most necessary features, and with a clean and simple interface, sleek aims to help you focus on getting things done.
Publisher’s description
What is sleek?
sleek by Robin Ahle is open-source Windows software in the office suites category. It ranks 49th by popularity among office suites in this catalogue. It is written in TypeScript. Besides Windows, it is available for Linux.
Installation and requirements
The publisher provides EXE (NSIS) and Portable installers for 64-bit Windows. It can be installed for the current user only, without administrator rights. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 2.0.25, released on April 14, 2026. The version history goes back to August 17, 2022: 35 releases, all linked to the official files. That is about 7.4 releases a year.
Popularity and file types
The source code on GitHub (ransome1/sleek) has 2,048 stars. Similar programs include TeXstudio, Zettlr and JabRef.
Project description on GitHub: “todo.txt manager for Linux, Windows and Mac, free and open-source (FOSS)”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
- Frequent updates (about 7.4 a year)
- Also runs on Linux
Cons
- No native ARM64 build
In short: sleek is an open-source office suite tool for 64-bit PCs. It is actively maintained. Administrators can deploy it unattended.
Key features
- Uses existing todo.txt files or creates new ones
- File watcher scans todo.txt files for changes
- Simultaneously manage multiple todo.txt files
- Add and search for todos by priority, contexts, projects, due date, creation date, completion date, recurrence (repeating todo), threshold dates (deferred todos), pomodoro intervals
- Filter, sort, and group todos by all available attributes
- Invert the sorting of each group
- Find todos using a sophisticated advanced search based on the todo.txt syntax
- Inline autocomplete available for adding contexts and projects
- Multi-line and bulk todo creation
- Due dates, threshold dates, recurrences, pomodoros and priorities can be selected by built-in picker elements
- Speaking dates can be entered for due and threshold dates
- Marking a recurring todo as complete, will create a new todo
- Navigable via keyboard shortcuts
- Due date notifications
AppStream · Flathub
Is sleek safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
9BDE8A4870CA18FBB64C03D1E029640DB81A6430D8EF20BC9DAF10645D9E8FD2· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 35 versions ›35 versions over 5 years · about 7.4 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 2.0.25Latest | April 14, 2026 | — | 64-bit EXE (NSIS)64-bit Portable |
| 2.0.24 | April 2, 2026 | — | 64-bit Portable64-bit EXE (NSIS) |
| 2.0.21 | September 7, 2025 | — | 32-bit Portable32-bit EXE (NSIS) |
| 2.0.19 | March 6, 2025 | — | 32-bit EXE (NSIS)32-bit Portable |
| 1.3.1 | March 5, 2023 | — | 64-bit EXE (NSIS)64-bit Portable |
| 1.3.0 | November 28, 2022 | — | 64-bit EXE (NSIS)64-bit Portable |
| 1.2.9 | November 6, 2022 | — | 64-bit Portable64-bit EXE (NSIS) |
| 1.2.8 | October 19, 2022 | — | 64-bit EXE (NSIS)64-bit Portable |
Install from the command line
Silent install ›winget install --id ransome1.sleek -escoop install extras/sleeksleek-2.0.25-win-Setup.exe /SRelated guide: How to use winget: install and update apps
Also for other systems
brew install --cask sleek-appbrew install sleekflatpak install flathub com.github.ransome1.sleekInformation
- Publisher
- Robin Ahle
- Category
- Office suites
- Licence
- MIT
- Price
- Free
- Source code
- github.com/ransome1/sleek
- Written in
- TypeScript
- Content rating
- All ages
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS), Portable
- Other platforms
- Linux
- Version
- 2.0.25
- Released
- April 14, 2026
- Added to the catalogue
- August 1, 2021
- Versions listed
- 35
- Updates / year
- 7.4
- GitHub stars
- 2,048
- GitHub forks
- 140
- Website
- github.com
- winget ID
- ransome1.sleek
- Scoop package
- extras/sleek
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is sleek free?
Yes. sleek is open-source software under the MIT licence.
Is sleek safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install sleek with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can sleek be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does sleek run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of sleek?
The versions page lists all 35 versions with links to their official installer files, back to August 17, 2022.
Can I use sleek without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to sleek?
TeXstudio, Zettlr, JabRef, ONLYOFFICE Desktop Editors and PDF Arranger. The alternatives page compares them.