The View Magazine
- Technical journal for Lotus Notes and Domino, with in-depth articles for developers.
- http://drh02.eapps.com/eview/viewr6.nsf/

IBM Redbooks Home Page
- IBM redbooks related to Lotus Notes and Domino are available here for download as Adobe Acrobat PDF files.
- http://publib-b.boulder.ibm.com/redbooks.nsf/portals/Lotus

Domino Guru
- Blog, articles and tips for developers on Lotus Domino and related technologies.
- http://www.dominoguru.com

Johan Känngård
- Blog and articles for developers on Lotus Domino, Java, LotusScript and web.
- http://dev.kanngard.net

MadJunk
- Lotus Domino Administration articles, tips, and topic discussions.
- http://www.madjunk.com

Ben Poole
- Blog, articles and tips related to Lotus Notes/Domino application development.
- http://www.benpoole.com

OpenNTF
- Provides applications for Lotus Notes as open source, which may be freely distributed.
- http://www.openntf.org

NotesDesign
- Development tips and techniques, information, downloadable example databases, and links to related sites.
- http://www.notesdesign.com/

Codestore
- Daily Blog and collection of articles, tips and sample applications for developing Domino web applications.
- http://www.codestore.net

Documentaal - BowTie
- BowTie is an integration tool for Lotus Notes and MS Office
- http://www.documentaal.com/

TeamStudio
- Provides a series of tools for Notes/Domino development. Company information and downloads.
- http://www.teamstudio.com/

Martin Scott Consulting
- Domino SuperSearch. Search 30+ Notes/Domino technical knowledgebases at once. Notes code library and technical whitepapers.
- http://www.martinscott.com/