Best Open-Source Utilities
This ranking lists 10 open-source utilities by GitHub star count, with scrcpy leading at 145,159 stars. The tools cover diverse tasks like screen mirroring, file sharing, and PDF manipulation, all available under permissive licenses like Apache-2.0 and MIT. Most support multiple platforms, though some like Umi-OCR are Windows-only.
Stirling-PDF and LocalSend rank second and third with over 80,000 stars each, offering cross-platform functionality. The selection includes niche tools like linux-command for terminal reference and Flameshot for screenshot editing. All projects are actively maintained, with recent version updates.
| # | App | Stars | License |
|---|---|---|---|
| 1 | scrcpy | 145.5k | Apache-2.0 |
| 2 | Stirling-PDF | 86.9k | NOASSERTION |
| 3 | LocalSend | 85.1k | Apache-2.0 |
| 4 | Umi-OCR | 46.0k | MIT |
| 5 | copyparty | 45.6k | MIT |
| 6 | ShareX | 38.6k | GPL-3.0 |
| 7 | linux-command | 36.4k | MIT |
| 8 | filebrowser | 35.5k | Apache-2.0 |
| 9 | croc | 35.4k | MIT |
| 10 | Flameshot | 30.4k | GPL-3.0 |
Scrcpy mirrors and controls Android devices from a computer. It works without root access and supports basic input like keyboard and mouse.
Stirling-PDF is a web-based PDF editor accessible from any device. It offers tools for editing PDF documents directly in the browser without requiring installation.
LocalSend is a cross-platform file-sharing tool that works offline over a local network. It provides a simple, open-source alternative to proprietary solutions like AirDrop. The tool supports direct device-to-device transfers without requiring internet access.
Umi-OCR is free offline OCR software that supports batch image and PDF recognition. It includes features for excluding watermarks, headers, and footers, along with QR code scanning and generation. The tool comes with built-in multilingual language libraries.
Copyparty is a portable file server supporting multiple protocols including WebDAV, SFTP, FTP, and TFTP. It features accelerated resumable uploads, deduplication, media indexing, and thumbnail generation. The server includes zeroconf support and operates as a self-contained utility.
ShareX is an open-source screen capture and file sharing tool. It allows users to record or capture screen areas and upload various file types to multiple destinations. The software operates with keyboard shortcuts for quick access.
This tool provides a searchable directory of Linux commands, including manuals, explanations, and learning resources. It compiles comprehensive Linux command references for educational and practical use.
Filebrowser is a web-based utility for browsing and managing files on a server. It provides a user-friendly interface for accessing and organizing files remotely.
Croc is a utility for transferring files and data securely between computers. It simplifies the process of sending information across devices with ease and reliability.
Flameshot is a screenshot tool designed for ease of use while offering powerful editing features. It allows users to capture, annotate, and share screenshots efficiently. The tool is lightweight and suitable for desktop environments.
Frequently asked questions
- What is the top pick in “Best Open-Source Utilities”?
- scrcpy currently leads this list, which is ordered by GitHub stars among the 10 open-source options we track.
- Are these apps free?
- Yes. Every app on this list is free and open-source. Download links point to each project's official release.
- How is this ranking decided?
- The order reflects GitHub stars, a public measure of popularity. Data is pulled from official sources and last refreshed on Jul 6, 2026. We don't accept payment for placement.
How we rank:entries are ordered by GitHub stars, a public popularity signal. Versions, licenses and platform support are read from official release feeds. We don't accept payment for inclusion or position. Supported platforms reflect the latest release (macOS, Windows, Linux, Android).