| ETL | | C++ template library for synfig |
| ExmanIDE | | Integrated development environment for Python |
| GConf | | Configuration database system used by GNOME |
| GConf-ui | | Configuration database system used by GNOME |
| Gorm | | Graphical user interface builder for GNUstep |
| ObjectiveLib | | Object containers and generic algorithms for Objective-C |
| PHPUnit (V) | | PHP regression testing framework for unit tests |
| ProjectCenter | | GNUstep Integrated Development Environment |
| R-BiocGenerics (V) | | Generic functions for Bioconductor |
| R-doParallel (V) | | Foreach parallel adaptor for the parallel package |
| R-foreach (V) | | Foreach looping construct for R |
| R-graph (V) | | R package to handle graph data structures |
| R-iterators (V) | | Iterator construct for R |
| RBTools | | Tool to submit patches to a Review Board |
| RTFM | | Enterprise-grade knowledge management tool |
| RTx-RightsMatrix | | Utility to efficiently manage rights to a RT installation |
| Renaissance | | Structured GNUstep user interface development framework |
| SDL | | Simple DirectMedia Layer, a cross-platform multimedia library |
| SDL-intro-en | | Simple DirectMedia Layer introduction (English) |
| SDL-intro-ko | | Simple DirectMedia Layer introduction (Korean) |
| SDL_Pango | | Connects the text rendering engine of GNOME 2.x. with SDL |
| SDL_gfx | | Basic drawing routines for SDL |
| SDL_ttf | | Use TrueType fonts in your SDL applications |
| SDLmm | | C++ Wrapper for the Simple DirectMedia Layer |
| SOPE | | Framework for writing clever web servers driven by objects |
| ZenTest | | Testing utilities for Ruby |
| accerciser | | Interactive Python accessibility explorer for the GNOME desktop |
| accerciser3 | | Interactive Python accessibility explorer for the GNOME desktop |
| acme | | Cross assembler for 6502, 65c02, and 65816 |
| acr | | Autoconf replacement |
| acunia-jam | | Acunia version of the program construction tool, like make(1) |
| adocman | | DocManager operation automation tool |
| aegis | | Aegis is a transaction base software configuration management system |
| ald | | Very nice x86 assembly-level debugger |
| allegro | | Allegro game programming library |
| anjuta | | Gnome based IDE for C and C++ |
| aokell (V) | | AOKell is a Java implementation of the Fractal component model |
| ap2-subversion (V) | | WebDAV server (Apache module) for Subversion |
| apache-ant | | Apache Project's Java-Based make(1) replacement |
| apache-ant15 | | Apache Project's Java-Based make(1) replacement |
| apache-commons-beanutils (V) | | Utility for manipulating JavaBeans |
| apache-commons-codec (V) | | Encoder and decoders such as Base64 and hexadecimal codec |
| apache-commons-collections (V) | | Set of abstract data type interfaces and implementations |
| apache-commons-configuration (V) | | Java based library providing a generic configuration interface |
| apache-commons-digester (V) | | Rule based XML Java object mapping tool |
| apache-commons-io (V) | | Common useful IO related classes |
| apache-commons-lang (V) | | Extension of the java.lang package |
| apache-commons-logging (V) | | Commmon wrapper interface for several logging APIs |
| apache-commons-pool (V) | | Pooling implementation for Java objects |
| apache-ivy | | Apache Project's Java-Based agile dependency manager |
| apache-maven | | Apache Project's software project management and comprehension tool |
| apel | | Portable Emacs library |
| apr | | Apache Portable Runtime |
| apr-util | | Apache Portable Runtime utilities |
| apr0 | | Apache Portable Runtime |
| arena | | ANSI C like scripting language |
| argp | | Argument parsing function from glibc |
| argtable | | Library for parsing command line arguments of a C/C++ program |
| as31 | | 8031/8051 assembler |
| asm2html | | Tool to convert NASM source files to HTML |
| astyle | | Reindenter and reformatter of C, C++, C |
| at-spi | | Assistive Technology Service Provider Interface |
| at-spi2-atk | | Assistive Technology Service Provider Interface A11y Toolkit |
| at-spi2-core | | Assistive Technology Service Provider Interface Core |
| atasm (V) | | Cross-assembler for 6502 optimized to code for Atari 8 bit computers |
| atf | | Automated testing framework - Runtime tools (deprecated; use kyua-cli) |
| atf-libs | | Automated testing framework - Libraries |
| atk | | Set of interfaces for accessibility |
| atkmm | | C++ bindings for atk |
| autoconf | | Generates automatic source code configuration scripts |
| autoconf-archive | | Collection of macros for GNU Autoconf |
| autoconf213 | | Generates automatic source code configuration scripts (old version) |
| autogen | | The Automated Text and Program Generation Tool |
| automake | | GNU Standards-compliant Makefile generator |
| automake14 | | GNU Standards-compliant Makefile generator (old version) |
| automoc4 | | Automatic moc for Qt 4 packages |
| avl | | Library for manipulation of balanced binary trees |
| avltree | | In-memory index w/ binary and string keys and key counts |
| bakery (V) | | C++ Framework for creating GNOME applications using gtkmm |
| bcc | | Bruce Evans' C compiler (with as and ld); can do 16-bit code |
| bglibs | | Collection of libraries by Bruce Guenter |
| bin86 | | Simple assembler and linker for x86 machine code |
| binutils | | GNU binary utilities |
| bison | | GNU yacc(1) replacement |
| blame | | Annotate RCS-controlled text line by line |
| blib | | Blinkenlights library |
| bmake | | Portable (autoconf) version of NetBSD 'make' utility |
| boa-constructor | | Python IDE |
| boehm-gc | | Garbage collection and memory leak detection for C and C++ |
| boost (V) | | Free, peer-reviewed portable C++ source libraries |
| boost-build | | Free, peer-reviewed portable C++ source libraries (Boost.Build framework) |
| boost-docs | | Free, peer-reviewed portable C++ source libraries (documentation) |
| boost-headers | | Free, peer-reviewed portable C++ source libraries (build-time headers) |
| boost-jam | | Free, peer-reviewed portable C++ source libraries (Boost.Jam utility) |
| boost-libs | | Free, peer-reviewed portable C++ source libraries (binary libraries) |
| boost-python | | Free, peer-reviewed portable C++ source libraries (Boost.Python binary library) |
| bouml | | UML modeling tool, generates C++, JAVA, and IDL |
| bpython | | Fancy interface to the Python interpreter |
| buddy | | Library for binary decision diagrams |
| bugzilla | | Web based bug tracking system |