Planisware might be a bit more popular than 10to8. We know about 1 link to it since March 2021 and only 1 link to 10to8. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
For booking, try and get them to use Google calendar. If nothing else, only for the website. Most (if not all) the plugins I've used had compatibility with Google Calendar. I don't have any on top of my head that I've used, so you'll need to try out a few. As an alternative, I've setup https://10to8.com/ for a few clients. It has some deeper features and includes SMS. There is a small business option (free) that... Source: almost 2 years ago
Examples (for Common Lisp, so not citing Emacs): reddit v1, Google's ITA Software that powers airfare search engines (Kayak, Orbitz…), Postgres' pgloader (http://pgloader.io/), which was re-written from Python to Common Lisp, Opus Modus for music composition, the Maxima CAS, PTC 3D designer CAD software (used by big brands worldwide), Grammarly, Mirai, the 3D editor that designed Gollum's face, the ScoreCloud app... - Source: Hacker News / 4 months ago
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