periodic notes recaps, on your Kindle
Publisher’s description
What is SunnySunday.Cli?
SunnySunday.Cli is an open-source e-book reader program for Windows from Krusty93. It is written in JavaScript.
Installation and requirements
Official installers exist for 64-bit as Portable. It runs without installation (portable).
Popularity and file types
The source code on GitHub (krusty93/relego) has 45 stars. Similar programs include calibre, SumatraPDF and Sigil.
Project description on GitHub: “Periodic notes recap on your eReader”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
Cons
- No native ARM64 build
In short: SunnySunday.Cli is an open-source e-book reader tool for 64-bit PCs.
Is SunnySunday.Cli 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:
FC8D571D05CC47B0D513F7A9BABAB2A5312B8D43C2ACB94A952F5F862222D4A3· 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
Security practices (OpenSSF Scorecard)
Automated checks of the krusty93/relego repository on GitHub by the Open Source Security Foundation, last run on October 23, 2026.
- Actively maintained10
- Security policy10
- No dangerous workflows10
- No binaries in the repository10
- Restricted token permissions10
- Dependency update tool10
- Licence declared10
- Published packages10
- Static code analysis10
- Tests in CI10
- Signed releases8
- Pinned dependencies6
- Branch protection3
- Contributors from several organisations3
- OpenSSF Best Practices badge2
- Code review0
- Fuzzing0
- No known vulnerabilities0
The score rates how the project is developed and released, not whether the program is safe to install. scorecard.dev
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.1.2Latest | April 17, 2026 | — | 64-bit Portable |
Install from the command line
Silent install ›winget install --id Krusty93.SunnySunday -eProgram files (.exe): sunny.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Krusty93
- Category
- E-book readers
- Licence
- MIT
- Price
- Free
- Source code
- github.com/krusty93/relego
- Written in
- JavaScript
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 0.1.2
- Released
- April 17, 2026
- Added to the catalogue
- April 28, 2026
- Versions listed
- 1
- GitHub stars
- 45
- Website
- github.com
- winget ID
- Krusty93.SunnySunday
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is SunnySunday.Cli free?
Yes. SunnySunday.Cli is open-source software under the MIT licence.
Is SunnySunday.Cli 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 SunnySunday.Cli 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 SunnySunday.Cli run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use SunnySunday.Cli without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to SunnySunday.Cli?
calibre, SumatraPDF, Sigil, BlueGriffon and Kindle Comic Converter. The alternatives page compares them.
