Letter: H
- halberd - Tool to discover HTTP load balancers
- haproxy - HA-Proxy is a TCP/HTTP reverse proxy for high availability environments
- hdf - A general purpose library and file format for storing scientific data
- hdf-devel - HDF development files
- hdf5 - A general purpose library and file format for storing scientific data
- hdf5-devel - HDF5 development files
- hmmer - Profile HMM software for protein sequence analysis