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Dev tools · alternatives · 2026

24 alternatives to Keygen – A dead-simple software licensing API built for developers

Keygen is a powerful software licensing API for desktop apps, on-premise software and other software products written in Go, Rust, JS, C/C++, C#, Swift, Java, Kotlin and more.

Keygen is a software licensing API that helps developers add license management to desktop applications, on-premise software, and other products built in languages like Go, Rust, JavaScript, C/C++, C#, Swift, and Java.… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Keygen – A dead-simple software licensing API built for developers launched in 2017; newer entries below may have overtaken it.

  1. 1
    Keygen▲252

    A dead-simple software licensing API built for developers

    2016 · keygen.sh · its alternatives →

  2. 2
    Keygen▲6

    A dead-simple software licensing API

    2017 · keygen.sh · its alternatives →

  3. 3

    Open Source License Key Generation and Verification Tool written in Go - furkansenharputlu/f-license

    2020 · github.com · its alternatives →

  4. 4
    Keydock▲133

    Painless license key generation for products you develop.

    2018 · keydock.app · its alternatives →

  5. 5
    Permit.io▲677

    The new Permit.io CLI brings developer-first workflows to access control. Define, test, deploy, and enforce fine-grained authorization using AI, CI/CD, GitOps, and OpenAPI — all from your terminal

    2023 · permit.io · its alternatives →

  6. 6

    Generate keywords with AI in seconds

    2023 · adsby.co · its alternatives →

  7. 7

    Dead-simple software distribution and auto-update service

    2017 · keygen.sh · its alternatives →

  8. 8
    Fastgen▲691

    Visual low-code backend builder

    2023 · its alternatives →

  9. 9
    Keymint▲12

    Modern software licensing made simple

    2025 · keymint.dev · its alternatives →

  10. 10

    Develop faster, eliminate complexity, protect your secrets

    2022 · 1password.com · its alternatives →

  11. 11

    Effortlessly discover API behaviour with a Chrome extension that automatically generates OpenAPI specifications in real time for any app or website.

    2023 · github.com · its alternatives →

  12. 12

    Simple Yet Powerful Software Licensing for Developers

    2025 · its alternatives →

  13. 13

    This free, open-source .NET library allows you to license your non-free applications through activation keys. Follow the quick start instructions and try it out in 5 minutes! Available on: NuGet https://www.nuget.org/packages/SNBS.Licensing.ActivationKeys... Website (full docs, downloads) https://snbslibs.github.io/Licensing.ActivationKeys GitHub (downloads, full docs, release notes etc.) https://github.com/SNBSLibs/Licensing.ActivationKeys

    2023 · github.com · its alternatives →

  14. 14

    Focus on your software - let us handle your keys, releases

    2023 · its alternatives →

  15. 15E2

    Hey HN, I'm so happy to finally show you all this release after years of hard work. I posted the first version of EnvKey to HN back in 2017 (https://news.ycombinator.com/item?id=15330757), then went through YC in W18 (https://news.ycombinator.com/item?id=16569534). EnvKey is an end-to-end encrypted configuration and secrets manager. It protects your organization's API keys, encryption keys, credentials, and other secrets, and makes it easy to run servers, scripts, tests, and everything else with the latest config. It also helps you avoid duplication in your…

    2022 · v2.envkey.com · its alternatives →

  16. 16

    A developer tool to securely generate key-pairs & addresses

    2025 · tools.codedparts.com · its alternatives →

  17. 17
    KEYZY▲7

    PAINLESS SOFTWARE LICENSE MANAGER

    2017 · keyzy.io · its alternatives →

  18. 18

    Runtime-rendered UI for web, IoT, and embedded systems. Zero codegen - darula-hpp/uigen

    May 2026 · github.com · its alternatives →

  19. 19ES
  20. 20

    Open Source License Key Generation and Verification Tool written in Go - furkansenharputlu/f-license

    2020 · github.com · its alternatives →

  21. 21

    Types generator for your Bun.sql queries. Contribute to ilbertt/bun-sqlgen development by creating an account on GitHub.

    Jun 2026 · github.com · its alternatives →

  22. 22
    KeyMe▲126

    Copy keys. Solve lockouts.

    2014 · key.me · its alternatives →

  23. 23
    Keylord▲23

    GUI client for Redis, Memcached and oth. key-value databases

    2018 · its alternatives →

  24. 24

    Let's Encrypt/ACME client and library written in Go - go-acme/lego

    2015 · github.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →