Dev tools · alternatives · 2026

24 alternatives to Feather Auth

Build an entire sign-in flow in 5 minutes or less.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Feather Auth launched in 2020; newer entries below may have overtaken it.

1. 1
   Feather▲937

   Notion to Blog in minutes

   2024 · feather.so · its alternatives →

2. 2
   Feathery AI▲178

   Create digital forms 10x faster with AI

   2023 · robin.feathery.io · its alternatives →

3. 3
   Simple.ink▲514

   Build websites with Notion in ~10 sec

   2022 · simple.ink · its alternatives →

4. 4
   Just Sign▲183

   Build your email signature in less than 60 seconds

   2020 · just-sign.com · its alternatives →

5. 5
   Feather CMS▲142

   A modern content management system on top of Swift & Vapor.

   2020 · github.com · its alternatives →

6. 6
   Arengu▲243

   Build signup flows with any API in minutes

   2021 · arengu.com · its alternatives →

7. 7
   Feather▲129

   Host Zoom events, sell masterclasses, and build your brand.

   2021 · its alternatives →

8. 8F9
   Feather – 90 percent of Bloomberg terminal, for 5 percent of the price▲69

   Hey, Wanted to share what my friend and I built — Feather. It provides investors with all imaginable financial data, without breaking the bank. Effectively 90 percent of the Bloomberg Terminal, at 5 percent of the price. We just opened sign ups for early access — all you need to sign up is your email address. We’ll open access to the software in order of sign ups, and we’d love to have you onboard. Check it out! https://try-feather.com

   2022 · its alternatives →

9. 9
   SuperTokens Passwordless▲173

   Fully flexible, open source auth in 15 minutes

   2022 · supertokens.com · its alternatives →

10. 10
    Blade▲271

    Create a professional Gmail signature in 60 seconds 💌

    2017 · its alternatives →

11. 11
    Paige▲353

    Rewrite your web presence in a page generated in 30 seconds

    2023 · thepaige.co · its alternatives →

12. 12
    Featherless AI▲279

    Run every 🦙 AI model & more from 🤗 huggingface

    2024 · featherless.ai · its alternatives →

13. 13
    Magic Link Auth (by WorkOS)▲164

    Fastest way to add passwordless login to your app for free

    2020 · workos.com · its alternatives →

14. 14
    Create My Token▲98

    Make ERC/BEP-20 Token, in 5 minutes with No-Code, no login

    2021 · createmytoken.com · its alternatives →

15. 15
    SimpleID▲150

    Add decentralized auth and storage to your app in 10 minutes

    2019 · simpleid.xyz · its alternatives →

16. 16
    Feather▲290

    Modern-day furniture rentals for millennials and startups

    2017 · rentfeather.com · its alternatives →

17. 17
    Feather 3.0▲173

    Furniture that changes with you.

    2019 · its alternatives →

18. 18
    AuthGuardian by OneGraph▲185

    The easiest 3rd-party sign-in for your apps and APIs

    2020 · its alternatives →

19. 19
    Instant 2FA▲139

    Add two-factor auth to any site in minutes

    2016 · instant2fa.com · its alternatives →

20. 20
    Pendown▲114

    Win clients with high-converting proposals in 3 minutes

    2025 · its alternatives →

21. 21
    Felt – Personal, handwritten cards mailed from your iPad▲154

    Felt is the most personal way to send real, handwritten greeting cards and photos to loved ones. It

    2013 · feltapp.com · its alternatives →

22. 22
    Email Signature Creator▲77

    Build creative email signatures

    2021 · kilobytetech.com · its alternatives →

23. 23
    Firstline▲125

    Authentication made simple

    2023 · firstline.sh · its alternatives →

24. 24
    Letter of Intent Builder by MicroAcquire▲150

    Create an LOI for startup acquisitions in minutes

    2022 · microacquire.com · its alternatives →

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 →