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1. ArpSID-public ArpSID-public Public

   ArpSID — a Commodore 64 SID synthesizer and cycle-exact PSID/RSID tune player as AU/AUv3/VST3/standalone plug-ins for macOS (public source; C64 ROMs not included).

   C++ 1

2. sid2midi-public sid2midi-public Public

   Convert SID tunes to MIDI by running them on a cycle-exact C64 emulated in pure Python: NMOS 6510, VICE CIA and VIC-II ports, reSIDfp SID. Passes 878 of the 881 VICE exit-code test programs it can …

   Python 1

3. agent-backup agent-backup Public

   Back up your coding agents' sessions. Turns Claude Code and Codex JSONL state into readable Markdown, portable ZIP archives and verifiable 1:1 snapshots — and handles any other JSONL agent through …

   Python

4. sid-os-metrally sid-os-metrally Public

   Privacy-first browser-based Commodore 64 SID workstation for trace replay, tracker composition, Web Audio synthesis, mastering, diagnostics, and WAV/MIDI/SWM export.

   TypeScript

5. bladegps bladegps Public

   Real-time GPS L1 C/A signal generator for bladeRF

   C 1

6. bladerf-power bladerf-power Public

   Receive-only bladeRF spectrum surveying with SC16_Q11 DSP, calibrated amplitude/power/PSD metrics, retune-lock safeguards, dual Nuand Python backends, and memory-efficient heatmaps

   Python