alt Hacker NewsAn app like Cal.com can be vibe coded in a few evenings with a Chrome MCP server pointed to their website to figure out all the nooks and crannys. The moat of Cal.com is not the code, it's the users who don't want to migrate.
The real answer is they are likely having a hard time converting people to paid plans
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For real, one of the reasons I use cal.com is because it's open source. Time to migrate.
> An app like Cal.com can be vibe coded in a few evenings
Do it then
May be trying creating one and see how much effort and time is required to clone such a functionality to a proper working state! Something for personal use can be created in about 5-10 days, but even then the skill that is required and the amount of tokens to burn, hosting and security etc, will easily kill. This is exactly the thought process of many, but it will surely kill many opensource contributors. I've stopped committing anything to any open source repos as a personal choice. I do not want to train a LLM which will eventually create more slop and headaches since for me, time is the only important factor which holds the maximum value! Nothing else!
Coding something vs maintaining it can be quite different things.
> The moat of Cal.com is not the code, it's the users who don't want to migrate.
That's a very weak moat unless you have something else like the friction of network dependence similar to a social network.