Freshservice might be a bit more popular than esp32. We know about 3 links to it since March 2021 and only 3 links to esp32. 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.
Esp32.net has a bunch of additional references, projects, and places to gather information. Source: almost 3 years ago
Closest thing is the ESP32 from Espressif Systems See ESP32 link for details. Since you specifically asked for open source, so some tinkering and compile is required. Source: about 3 years ago
There's also many more dev boards, chips and modules listed here, though they may not necessarily have platformio IDs. Source: about 3 years ago
If you're fine with writing emails instead of filling in an Outlook form (as a user), then https://freshservice.com/ might work. Source: over 2 years ago
FreshService is pretty good and ticks all the boxes you're looking for (https://freshservice.com/). Source: over 2 years ago
If you're not capable of hosting the solution yourself, there are solutions that have per-agent models that will cost you much less than SchoolDude, all while being substantially more feature rich. osTicket and FreshService are both great examples. A cloud hosted instance of osTicket is only $9/agent/month. FreshService is a more polished solution, but costs more at $19/agent/month. Source: about 3 years ago
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Intel NUC - Intel NUCs are available as Kits(Barebones), Boards(Mainbaord only) and as perconfigured Mini-PCs.
Basecamp - A simple and elegant project management system.
ESPRESSObin - Electronics, Single Board Computer, and x86
Redmine - Flexible project management web application