- astroplan ( astropy bmorris3 )
- Astropy ( astropy astrofrog )
- astropy-healpix ( astropy astrofrog )
- astropy-regions ( bradley joleroi )
- enrico
- fermi-hero
- gamma-astro-data-formats ( joleroi )
- gamma-cat
- gamma-speed
- hips
- iminuit ( piti118 alexpearce )
- multinorm
- photutils ( astropy astrofrog )
- probfit ( hdembins piti118 )
- pyregion ( astrofrog )
- WebOOT
