The best alternatives to Thank You, Open Source are Carrd, Google, and btw. If these 3 options don't work for you, we've listed a few more alternatives below.
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Universal-2 by AssemblyAI— Speech-to-Text API for conversational data
Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.
GitSpo aggregates GitHub, NPM and PyPI data, and alerts open-source developers when their projects are mentioned on websites like Twitter, Reddit and Hacker News.
Modern Memories creates “kits” which contain stationery for the recipient to fill out and mail back to Modern Memories. Each kit contains four letters, which we will mail back in the future (6 months, 1 year, 5 years, 10 years later).
Flossbank allows you to support open source for free. Simply sign up, install the CLI, and voilà! Now, whenever you npm install in your terminal, you'll see an ad. The revenue from that ad goes directly towards the open source projects you just installed!