Life & fun · alternatives · 2026

21 alternatives to A new way for subscribing users with ServiceWorker and the Physical Web

Below are 21 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. A new way for subscribing users with ServiceWorker and the Physical Web launched in 2015; newer entries below may have overtaken it.

1. 1
   Paid▲124

   An API for invoicing

   2015 · paidapi.com · its alternatives →

2. 2AT
   A tool to purchase and monetize internet connectivity▲5

   2020 · trekknet.com · its alternatives →

3. 3BY
   Browser you can use to automate work online▲6

   2019 · ontrackhq.com · its alternatives →

4. 4FS
   Free Subscription management tool with email alerts/updates▲6

   2017 · sublid.com · its alternatives →

5. 5BR
   Build real-time web apps with other people... in real-time!▲8

   2014 · loggur.com · its alternatives →

6. 6OS
   Open source remote job aggregator▲9

   2015 · goremote.io · its alternatives →

7. 7PA
   PubCenter – a RSS archiving service▲8

   2017 · app.pub.center · its alternatives →

8. 8PI
   Poppy I/O, a system for sending data between web apps client side▲5

   2022 · poppy.io · its alternatives →

9. 9AC
   A CRM built on Google Drive▲7

   2013 · spreadsheetcrm.com · its alternatives →

10. 10AA
    An Automated Billing Platform for Freelancers and Small Businesses▲5

    2018 · soverpay.com · its alternatives →

11. 11IM
    I made a tool that helps you create email signatures and share to team▲7

    2021 · mailswype.io · its alternatives →

12. 12AW
    A web-browser to web-browser file sharing app (uses WebSockets, no DB)▲9

    2020 · easy-file-share.herokuapp.com · its alternatives →

13. 13NW
    New widget to integrate in-app customer portals faster▲7

    2022 · its alternatives →

14. 14SW
    SaaS webframework▲7

    2018 · innomatic.io · its alternatives →

15. 15BT
    BizzBuzzer: Two-Way communication from the web to any mobile phone▲9

    2016 · bizzbuzzer.com · its alternatives →

16. 16NL
    New Linkedin-like platform where users manage and sell their data▲8

    2019 · hr.bot.tilda.ws · its alternatives →

17. 17RT
    Rebound – turn webhook requests into REST calls▲8

    2015 · reboundx.herokuapp.com · its alternatives →

18. 18SE
    Saleswhale Email Webinar AI Assistant (Free Tool)▲7

    2020 · saleswhale.com · its alternatives →

19. 19AS
    Automatically synchronized Gmail inboxes for support and sales teams▲5

    2019 · supportall.cc · its alternatives →

20. 20ES
    EtherSub – Subscriptions for the Ethereum Network▲5

    2016 · ethersub.com · its alternatives →

21. 21IM
    I made a tool to turn pull requests into real time presentation▲5

    2016 · vym.io · 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 →