Language Server for the Flint programming language
Publisher’s description
What is fls?
fls by Flint Organisation is open-source Windows software in the languages & sdks category. It is written in C++.
Installation and requirements
The publisher provides Portable installers for 64-bit Windows. It runs without installation (portable).
Updates and version history
The current version is 0.4.2-core, released on September 28, 2026. The version history goes back to June 17, 2026: 4 releases, all linked to the official files. The last update is less than a month old.
Popularity and file types
The source code on GitHub (flint-lang/flintc) has 27 stars. Similar programs include Go Programming Language, LLVM and CMake.
Project description on GitHub: “The Flint Compiler”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Updated in the last two months
Cons
- No native ARM64 build
In short: fls is an open-source languages & sdk tool for 64-bit PCs.
Is fls 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:
FDCD3C16E729E31FBF4BFCA2655CA95F6599DCE922C8BFA9311E9FDC045471AC· 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 4 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.4.2-coreLatest | September 28, 2026 | — | 64-bit Portable |
| 0.4.1-core | August 28, 2026 | — | 64-bit Portable |
| 0.4.0-core | July 9, 2026 | — | 64-bit Portable |
| 0.3.5-core | June 17, 2026 | — | 64-bit Portable |
Install from the command line
Silent install ›winget install --id Flint.Fls -eProgram files (.exe): fls.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Flint Organisation
- Category
- Languages & SDKs
- Licence
- MIT
- Price
- Free
- Source code
- github.com/flint-lang/flintc
- Written in
- C++
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 0.4.2-core
- Released
- September 28, 2026
- Added to the catalogue
- June 17, 2026
- Versions listed
- 4
- GitHub stars
- 27
- Website
- flint-lang.github.io
- winget ID
- Flint.Fls
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to fls
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Frequently asked questions
Is fls free?
Yes. fls is open-source software under the MIT licence.
Is fls 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 fls 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.
Does fls 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 fls?
The versions page lists all 4 versions with links to their official installer files, back to June 17, 2026.
Can I use fls without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to fls?
Go Programming Language, LLVM, CMake, Deno and Yarn. The alternatives page compares them.
