esp32 might be a bit more popular than Sublime Text. We know about 3 links to it since March 2021 and only 3 links to Sublime Text. 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.
I went through the key-bindings in Micro (which use different modifier keys) and added them to Sublime Text:. - Source: dev.to / over 2 years ago
Oh, and sublimetext.com too if you prefer something "cleaner". It is multi-platform too, like VSCodium. Source: over 3 years ago
Sublime Text Terminal Shortcuts and menu entries for opening a terminal at the current file, or the current root project folder in Sublime Text. - Source: dev.to / about 4 years ago
Esp32.net has a bunch of additional references, projects, and places to gather information. Source: almost 4 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 4 years ago
There's also many more dev boards, chips and modules listed here, though they may not necessarily have platformio IDs. Source: about 4 years ago
VS Code - Build and debug modern web and cloud applications, by Microsoft
Intel NUC boards - Four-by-four inch Intel NUC boards come with a soldered-on processor.
Vim - Highly configurable text editor built to enable efficient text editing
Intel NUC - Intel NUCs are available as Kits(Barebones), Boards(Mainbaord only) and as perconfigured Mini-PCs.
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
ESPRESSObin - Electronics, Single Board Computer, and x86