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Dev tools · alternatives · 2026

24 alternatives to Cryptlex

Generate and validate license keys to sell your products.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Cryptlex launched in 2018; newer entries below may have overtaken it.

  1. 1

    Generate license keys to sell your products.

    2018 · cryptlex.com · its alternatives →

  2. 2

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

    2020 · github.com · its alternatives →

  3. 3
    Sellix▲189

    Digital selling with ease by accepting cryptocurrencies

    2022 · its alternatives →

  4. 4
    Keygen▲252

    A dead-simple software licensing API built for developers

    2016 · keygen.sh · its alternatives →

  5. 5
    Keydock▲133

    Painless license key generation for products you develop.

    2018 · keydock.app · its alternatives →

  6. 6

    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.

    2017 · keygen.sh · its alternatives →

  7. 7

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

    2023 · its alternatives →

  8. 8

    Offer crypto services to your customers, without overheads

    2021 · mudrex.com · its alternatives →

  9. 9

    Hey HN, A few months ago I realized licensing my app wasn't as straightforward as I expected. There was too much setup just to create a license, and the customer experience was not great. All I wanted was for licenses to be generated automatically when I got paid, and for customers to manage their own licenses. So I built Keyforge, a simple software licensing platform for developers. It integrates with Stripe so that licenses are created automatically when someone purchases or subscribes to your product. There's also a self-serve customer portal where users can manage their licenses,…

    2025 · keyforge.dev · its alternatives →

  10. 10

    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 →

  11. 11
    StormX▲127

    Earn crypto while you shop at your favorite stores

    2020 · its alternatives →

  12. 12SA

    I built this machine so I could generate Bitcoin keys that I could trust. Air-gapped and simple to use and understand (mechanical). The Satoshi 9000 demo: https://youtu.be/bJiOia5PoGE The key value proposition of the machine is that it generates analog randomness in the physical world and converts it into digital (1’s and 0’s) randomness. Seamlessly. But it occurs to me that it may have other uses beyond crypto keys for your own use, such as: * Randomized clinical trials. Clinical trials need a high degree of transparency for ethical reasons; also, for legal reasons should it…

    2024 · its alternatives →

  13. 13
    Verify▲78

    Add unlockable content to NFTs in seconds

    2022 · diamondhandshotel.com · its alternatives →

  14. 14
    Peerkey▲121

    Add trust & reputation to crypto transactions

    2018 · allchannel.news · its alternatives →

  15. 15

    Make any data fraud-proof and instantly verifiable

    2023 · truvera.io · its alternatives →

  16. 16
    Mudrex▲125

    Automate your crypto trading without writing code

    2019 · mudrex.com · its alternatives →

  17. 17

    A bash script for generating trusted self-signed SSL certs for local development on your Mac - kingkool68/generate-ssl-certs-for-local-development

    2018 · github.com · its alternatives →

  18. 18
    Keymint▲12

    Modern software licensing made simple

    2025 · keymint.dev · its alternatives →

  19. 19

    License keys for indie devs, no server required

    Sep 2026 · appkeyflow.com · its alternatives →

  20. 20
    Legit▲10

    Automatically generate LICENSE files

    2017 · github.com · its alternatives →

  21. 21

    Sell digital products and get paid in crypto.

    Jul 2026 · billixi.com · its alternatives →

  22. 22

    Send verified certificates digitally

    2022 · givemycertificate.com · its alternatives →

  23. 23

    Send secret messages using Web Crypto API 🤫.

    2024 · webcrypto-private-messages.vercel.app · its alternatives →

  24. 24

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

    2020 · 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 →