1. DTXMania Library: This website offers a large collection of gda songs for dtxmania, submitted and rated by users.
- URL: https://dtxmania.wikidot.com/songs
2. ZENIUS-I-VANOSS (zi_v): A Japanese website with numerous gda songs, particularly focused on Japanese popular music.
- URL: http://www16.big.or.jp/~zenius/zi_v.html
3. BMS World: This website mainly features BMS (Beatmania IIDX Simulator) files, but also has a section for dtxmania songs.
- URL: https://bmsworld.info/
4. DrumMania Forums: Various drumming-related forums may have threads or sections dedicated to sharing gda songs.
5. StepMania: Although StepMania is a different rhythm game, some songs might be compatible with dtxmania due to similarities in file formats.
- URL: https://www.stepmania.com/
6. Reddit Communities: Subreddits such as r/DtxMania or r/RhythmGames might have posts or links to gda song collections.
It's worth noting that some song downloads might be protected by copyright laws, so please ensure that you are obtaining them legally. Additionally, make sure to have appropriate virus protection software installed before downloading files from unknown sources.