ESense - Erlang "IntelliSense" for Emacs
- Provides features similar to IntelliSense or CodeSense in other editors. It can be enabled in an Erlang buffer or in the Erlang Shell buffer.
- http://esense.sourceforge.net/

Erlang project tree
- Erlang cross-platform open source software at freshmeat.
- http://freshmeat.net/browse/264/

Dialyzer
- The Dialyzer is a static analysis tool that identifies software discrepancies such as type errors, unreachable code, redundant tests, virtual machine bytecode which is unsafe in single Erlang modules or entire applications.
- http://www.it.uu.se/research/group/hipe/dialyzer/

Erlang QuickCheck
- Erlang/QuickCheck is a library for random testing of Erlang programs against specifications.
- http://www.cs.chalmers.se/~rjmh/ErlangQC/

Erlang Stuff
- by Cat's Eye Technologies. Games, game utilities, toys, programming languages implementations, user interface utilities.
- http://catseye.mine.nu:8080/projects/?keyword=erl

User Contributions
- User-contributed software at the open source Erlang site.
- http://www.erlang.org/user.html

Erlang Projects at Sourceforge
- Sourceforge is the main repository for Erlang projects, with lots of examples and interesting applications being developed.
- http://sourceforge.net/softwaremap/trove_list.php?form_cat=264

Cellicium's contributions to open-source Erlang
- Additions and contributions.
- http://www.cellicium.com/erlang/contribs/