| Free Protocols Foundation | | Independent public forum supporting patent-free protocols. Includes policies, papers, a mission statement, and a list of free protocols. |
| Internet protocols | | General comments on protocol design, and good reference material on a few protocols (especially mail-related; also ftp, time, and misc) by Dan Bernstein. |
| Internet2 | | A consortium led by universities working in partnership with industry and government to develop and deploy advanced network applications and technologies, accelerating the creation of tomorrow's Internet. |
| RFC Editor | | Collates Request For Comments documents. Explains the RFC process, and includes a searchable database of RFCs. |
| RFC Sourcebook | | Description of protocols, file formats, glossary of terms, RFCs. |
| The Kermit Project | | A protocol that transfers text and binary files without errors between diverse types of computers over potentially hostile communication links, and a suite of communications software programs; Columbia University. |
| XNS.org | | Independent organization managing the eXtensible Name Service, an open protocol and open-source platform for universal addressing, automated data exchange, and privacy control. Includes an overview, charter, history, and specifications. | |
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