| ACE View + | Kaarel Kaljurand + |
| Advanced Annotation Search + | Mark Helenurm + |
| Algernon + | Micheal Hewett + |
| Annotation Search View + | Nick Drummond +, Timothy Redmond + |
| Annotation Template View + | Nick Drummond +, Timothy Redmond + |
| Axiomé + | Saeed Hassanpour + |
| BNGen + | A Melchior + |
| Bayesian Network Tab (BNTab) + | Stefan Fenz + |
| BeanshellView + | Nick Drummond +, Timothy Redmond + |
| BioPortal Import Plugin + | Jithun Nair +, Tania Tudorache + |
| BioPortal Reference Plugin + | Tania Tudorache + |
| Bookmarks + | Nick Drummond +, Timothy Redmond + |
| Cardinality View + | Nick Drummond +, Timothy Redmond + |
| Change View + | Nick Drummond +, Timothy Redmond + |
| ChangeAnalysisTab + | Sean Falconer + |
| Changes Tab + | William Liu +, Tania Tudorache +, Timothy Redmond + |
| ClojureTab + | Ruslan Sorokin + |
| Cloud Views + | Nick Drummond +, Timothy Redmond + |
| Collaborative Protege + | Tania Tudorache + |
| CompGuide Editor + | Filas1991 + |
| DISCOWordSpaces + | Peter Kolb + |
| DL Query + | Matthew Horridge +, Nick Drummond + |
| DL-Learner + | Jens Lehmann +, Lorenz Bühmann + |
| DataMaster + | Csongor Nyulas + |
| DroolsTab + | Ruslan Sorokin + |
| ELK + | Yevgeny Kazakov +, Markus Krötzsch +, František Simančík +, … |
| EZPal + | Johnson Hou + |
| EasyDB + | John Finnson + |
| EditorPane + | Tania Tudorache +, Vivek Tripathi + |
| EditorPanePlain + | Tania Tudorache +, Vivek Tripathi + |
| Excel Import + | Jay Kola + |
| Expert System Shell r4f-pro + | Ruslan Sorokin + |
| FuzzyOWL2 + | Umberto Straccia +, Fernando Bobillo +, Daniele Bacarella + |
| HERAKLES + | Juergen +, Tuvshintur Tserendorj +, Yongchun Xu +, … |
| HTML Chat + | Tania Tudorache +, Vivek Tripathi + |
| HermiT + | Boris Motik +, Birte Glimm +, Giorgos Stoilos +, … |
| HyperMod + | Riku Nortje + |
| HypergraphDB Plugin and Server + | Thomas Hilpold +, Borislav Iordanov + |
| IDESSP + | Ruslan Sorokin + |
| IRIS + | Tuğba Özacar + |
| Individual properties contextual assertion + | ODASE + |
| Instance Selection + | Paulo Gottgtroy + |
| InstanceTree + | Eric Xu +, Joe Edelman + |
| JSave + | Samson Tu + |
| Jambalaya + | Margaret-Anne Storey +, Chris Callendar +, Rob Lintern +, … |
| JessTab + | Henrik Eriksson + |
| Knowtator + | Philip Ogren + |
| Logical Difference Vizualiser (LogDiffViz) + | William Gatens + |
| MESAM + | Nadjet Zemirline +, Yolaine Bourda +, Chantal Reynaud + |
| Mastro DL-Lite Reasoner + | Marco Ruzzi +, Giacomo Ronconi +, Lorenzo Lepore +, … |
| Matrix + | Nick Drummond +, Timothy Redmond + |
| MetaAnalysis + | Amir Ghazvinian + |
| NaturalOWL + | Dimitrios Galanis +, Giorgos Karakatsiotis + |
| NavigOWL + | Ajaz Hussain +, Khalid Latif +, Aimal Tariq Rextin + |
| NoHR + | Vadim Ivanov +, Matthias Knorr +, João Leite +, … |
| OBO Tools + | Nick Drummond +, Timothy Redmond + |
| OBOConverter + | Dilvan Moriera +, Nigam Shah + |
| OLS2OWL + | Alexander García +, Leyla Jael García Castro +, José María Villaveces + |
| OPL Plugin + | Nick Drummond +, Mikel Egana Aranguren + |
| OSGi Debug Plugin + | Timothy Redmond + |
| OWL Lint + | Luigi Iannone + |
| OWL2Query + | Petr Křemen +, Bogdan Kostov + |
| OWL2ToRDB + | Ernestas Vysniauskas + |
| OWL2UML + | Igor Istochnick + |
| OWLAx + | Md Kamruzzaman Sarker + |
| OWLDiff + | Petr Křemen +, Michal Schwarz +, Zdeněk Kouba +, … |
| OWLDoc + | Nick Drummond +, Matthew Horridge +, Timothy Redmond + |
| OWLPropViz + | Lutz Wachsmann + |
| OWLViz + | Matthew Horridge + |
| OntoBase + | Len Yabloko + |
| OntoCheck + | Daniel Schober +, Ilinca Tudose +, Martin Boeker + |
| OntoDebug + | Konstantin Schekotihin +, Patrick Rodler +, Wolfgang Schmid +, … |
| OntoGraf + | Sean Falconer + |
| OntoLing + | Armando Stellato + |
| OntoTweet + | Sean Falconer + |
| OntoViz + | Michael Sintek + |
| Ontology Evaluation + | Georgios Tantsis +, Dionisis Kehagias + |
| Ontology Generation Plugin (DOG4DAG) + | Thomas Wächter +, Götz Fabian + |
| OntologyBeanGenerator + | Chris van Aart + |
| Ontop + | Mariano Rodríguez-Muro +, Martin Rezk +, Guohui Xiao +, … |
| OpenMap Tab Plugin + | Ruslan Sorokin + |
| Outline and Existential Tree Views + | Nick Drummond +, Timothy Redmond + |
| Owl2Cool + | Stelios Chatziagapiou +, George Meditskos + |
| PROMPT + | Natasha Noy +, Michel Klein +, Sandhya Kunnatur +, … |
| PSM Librarian + | Monica Crubezy + |
| PromptViz + | David Perrin + |
| PropertiesInDomainClass + | ODASE + |
| Protege + | Stanford Center for Biomedical Informatics Research + |
| Protege 4 Plugin for Oracle Database + | Oracle + |
| Protege Axiom Language (PAL) Tabs + | William Grosso +, Monica Crubezy + |
| Protege Client-Server + | Stanford Center for Biomedical Informatics Research + |
| Protege Web Browser + | Kamran Ahsan + |
| Protege Wizards + | Nick Drummond + |
| Protege-Frames + | Stanford Center for Biomedical Informatics Research + |
| Protege-OWL + | Stanford Center for Biomedical Informatics Research +, The CO-ODE Project + |
| Protege-OWL Code Generator + | Timothy Redmond + |
| Protege-nrepl + | Phillip Lord + |
| ProtégéLOV + | Ghislain Auguste Atemezing +, Nuria García-Santa +, Boris Villazón-Terrazas + |
| Queries and Export Tab + | Daniel Schober +, Tania Tudorache + |
| RDF Backend + | Michael Sintek + |
| ROWLTab + | Md Kamruzzaman Sarker +, David Carral + |
| RacerProTG + | Racer Systems +, Derivo GmbH + |
| SADI Service plugin + | Edward Kawas +, Luke McCarthy + |
| SKOS Editor + | Simon Jupp + |
| SOVA + | Piotr Kunowski +, Tomasz Boiński + |
| SPARQL Query + | Timothy Redmond + |
| SWRL-IQ + | Daniel Elenius +, Reginald Ford +, Susanne Riehemann + |
| SWRLTab + | Martin O'Connor + |
| Sandbox2 + | * + |
| Search API + | Eric Xu + |
| Snorocket + | Michael Lawley +, Cyril Bousquet +, Deanne Vickers +, … |
| Snow Owl + | B2i Healthcare + |
| String Search Tab + | Kamran Ahsan + |
| Sub Ontology Tab + | Jay Kola + |
| TGViz + | Harith Alani + |
| Taxonomy Cut+Paste + | Nick Drummond + |
| TerMine Plugin + | Simon Jupp +, Matthew Horridge + |
| UML Backend + | Protege team (maintainers) +, Holger Knubluach (original author) + |
| UMLS Tab + | Qi Li +, Philip Shilane + |
| VOWL + | David Bold +, Steffen Lohmann +, Stefan Negru + |
| Watson Search Preview + | Ivan Perez + |
| XMI Backend + | Protege team (maintainers) +, Holger Knubluach (original author) + |
| XML Tab + | Michael Sintek + |
