Give examples of really cool software made by a single developer?

This page summarizes the projects mentioned and recommended in the original post on

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  • GitHub repo calibre

    The official source code repository for the calibre ebook manager

    Calibre Ebook Reader - it was initially started by Kovid Goyal. (now other people have joined him)

  • GitHub repo LookingGlass

    An extremely low latency KVMFR (KVM FrameRelay) implementation for guests with VGA PCI Passthrough.

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    OPS - Build and Run Open Source Unikernels. Quickly and easily build and deploy open source unikernels in tens of seconds. Deploy in any language to any cloud.

  • GitHub repo anki

    Anki for desktop computers

    Anki, a spaced repetition flashcard learning application

  • GitHub repo pre-commit

    A framework for managing and maintaining multi-language pre-commit hooks.

    Not exactly as high-stakes as some of the others in here, but Anthony Sottile wrote pre-commit and by himself and it’s one of the most useful tools in my arsenal because it triggers any number of code checks and stuff like that every time you do a big commit. I’ve got a number of his hooks installed as well as a linter, formatter, and type checker for my code, and it basically makes sure my code is of much higher quality.

  • GitHub repo bolt

  • GitHub repo Rack

    The virtual Eurorack studio (by VCVRack)

  • GitHub repo Lila

    ♞ the forever free, adless and open source chess server ♞

  • Scout APM

    Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

  • GitHub repo CherryTree


    But according to Cherrytree now has 57 contributors, so if it was made by only one single person (Giuseppe Penone) it must have been at an earlier state in the development process.

  • GitHub repo Git

    Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget ( Please follow Documentation/SubmittingPatches procedure for any of your improvements.

  • GitHub repo AixCrypt

    A Key Calculation Based Program For Data Confidentiality Over A Steganography-Like Technique

  • GitHub repo CVenom

    CVenom is An Ultra Easy-To-Use C++ Library For Advanced Malware Development

  • GitHub repo LSATools

    Multiple Of Scripts Useful For System Administration In Linux Servers & Distributions, Driven By a Fast Easy-to-Use Menu Script

  • GitHub repo Digle

    AI Powered Hacking Environment, A Software For Hackers, Social Engineers, Penetration Testers, Shell Programmers.

    and the best one

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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