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Top 23 Retrocomputing Open-Source Projects
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Turbo Vision
A modern port of Turbo Vision 2.0, the classical framework for text-based user interfaces. Now cross-platform and with Unicode support.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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mt32-pi
🎹🎶 A baremetal kernel that turns your Raspberry Pi 3 or later into a Roland MT-32 emulator and SoundFont synthesizer based on Circle, Munt, and FluidSynth.
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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retronas
Use a Raspberry Pi, old computer or VM as network storage for different retro computers and consoles
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MacintoshPi
MacintoshPi is a project that allows running full-screen versions of Apple's Mac OS 7, Mac OS 8 and Mac OS 9 with sound, active online connection and modem emulation under Raspberry Pi.
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cassette-elite-beebasm
Fully documented and annotated source code for the cassette version of Elite on the BBC Micro
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esp32_usb_soft_host
ESP32 software USB host through general IO pins. We can connect up to 4 USB-LS HID (keyboard mouse joystick) devices simultaneously.
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nes-elite-beebasm
Fully documented and annotated source code for Elite on the Nintendo Entertainment System (NES)
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neko
Neko is a cross-platform open-source animated cursor-chasing cat. This is the reimplementation write in Go. (by crgimenes)
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SaaSHub
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There are plenty of alternatives you could find on [1] in the context of fantasy console, almost all of them, oss or proprietary, active or dormant. And honestly many of them were inspired by PICO-8.
Project mention: Hoard-of-bitfonts: turns out I like bitmap fonts | news.ycombinator.com | 2023-08-15
I have just seen https://github.com/dwhinham/mt32-pi but it doesn't seem as easy to play with and well-documented as the other software I've used.
Check https://infinitemac.org - some of the Macs there seem to have an Ambrosia folder. Hopefully it's what you meant? :)
Compile ITS and just run :macsyma at the DDT prompt (shell/debugger) from ITS:
The syntax it's the same, I even made a plot and 'printed' into the host from an ARDS output from the plot command, by converting the file into PPM->PNG or PPM->PDF.
I did not know of a Java port, but this reminds me there is some kind of JavaScript-based environment for DOS that I see linked now and then (think it is bundled with FreeDOS?). Probably this one:
https://github.com/SuperIlu/DOjS
"DOjS is a JavaScript programming environment for systems running MS-DOS, FreeDOS or any DOS based Windows (like 95, 98, ME). It features an integrated editor, graphics & sound output, mouse/keyboard/joystick input and more"
Never tried it.
Project mention: Looking for a way to store and access games from everywhere | /r/selfhosted | 2023-09-06
Not sure if they'll work on Alpine, but there's WordTsar (a Wordstar clone) and WordPerfect. Alternatively, you could run Word 5.5 in DOSBox.
Project mention: Did Apple finally pull the plug on Panther (10.3) Software Update? | /r/VintageApple | 2023-07-07
Project mention: Fully documented source code for Elite on the BBC Micro | news.ycombinator.com | 2023-06-18
Project mention: BBC Basic returns on multiple platforms, open sourced | news.ycombinator.com | 2023-11-29One of the books was an entire annotated disassembly of the BASIC interpreter, if memory serves. I vaguely remember there being some sort of kerfuffle about that.
Another thing that one got: a printed circuit diagram of the machine.
As for today: One can get get an entire annotated disassembly for Elite, including the version that used the Second Processor: https://www.bbcelite.com
Project mention: Found this guy sitting in my University’s ewaste room… | /r/retrobattlestations | 2023-06-13If you don't find the original and want to do your own, let me gently plug https://github.com/davidgiven/cpmish as a turnkey CP/M build system? Some of the commands are a bit janky but it should be easier than rolling your own. There's a choice of the original DR BDOS and CCP or ZCPR3 and ZSDOS.
I think it's relatively straightforward? Each mouse should be generating input events, it's "just" a matter of "Mouse1 += (100x, 200y)", "Mouse2 += (-3x, -5y)" and keeping track of a virtual cursor/pointer position that the "real" cursor should jump to depending on which mouse is generating input events.
...and for the use cases, having an extended desktop (eg: airplay to HDTV mounted on the wall) and being able to have your primary "desktop" mouse 100% glued to your main screen, but a secondary "click the play next video button on the tv" mouse is genius!
I'm pretty sure if somebody were sufficiently innovative they could paint a bullseye/target around the virtual cursors with some sort of minor performance penalty (a-la: xNeko - https://github.com/crgimenes/neko).
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
The latest post mention was on 2024-04-15.
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A note from our sponsor - WorkOS
workos.com | 19 Apr 2024
Index
What are some of the best open-source Retrocomputing projects? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | Turbo Vision | 1,834 |
| 2 | fantasy | 1,299 |
| 3 | hoard-of-bitfonts | 1,288 |
| 4 | mt32-pi | 1,163 |
| 5 | 123elf | 1,128 |
| 6 | infinite-mac | 1,077 |
| 7 | its | 809 |
| 8 | DOjS | 662 |
| 9 | retronas | 640 |
| 10 | MacintoshPi | 622 |
| 11 | wpunix | 587 |
| 12 | enigma-bbs | 522 |
| 13 | Zeal-8-bit-OS | 521 |
| 14 | webone | 452 |
| 15 | cassette-elite-beebasm | 404 |
| 16 | esp32_usb_soft_host | 394 |
| 17 | nes-elite-beebasm | 360 |
| 18 | pcbasic | 353 |
| 19 | cpmish | 330 |
| 20 | CROSS-LIB | 305 |
| 21 | neko | 300 |
| 22 | DOStodon | 289 |
| 23 | vAmiga | 284 |
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