| Bitcoin meetup CANCELLED AGAIN + | Voidz0r + |
| Blender/Movie:TearsOfSteel + | Becha +, Justa + |
| Board Game Night First Edition + | Damnlie +, Mr seeker + |
| Board Meeting 2024-March + | Karla + |
| Board game evening + | Gorgabal + |
| Board game evening: 2017-12-02 + | Gorgabal + |
| Bolt Meetup: Koala Edition + | Realitygaps + |
| Book Presentation SobTech2 + | Becha + |
| Bookbinding + | Narya + |
| Borrel The Internaut Cookbook + | Becha +, Niels + |
| BrewBetterBeer , 3rd of Oct + | Justa +, Piele + |
| Broedplaatsen open dag 2013-09-21 + | Contact + |
| Broedplaatsendag + | DrWhax + |
| CANCELLED: Toool.nl biweekly meeting, September 27 + | Jos +, Muse +, Thomascovenant + |
| CCC Camp2019 + | Contact + |
| CCC Congress 34 + | Justa + |
| CTF Night + | Tatiana + |
| CTF Night - 18 March 2019 + | DrWhax + |
| CTF Night - 2nd of September + | DrWhax + |
| CTF Night - 4th of March + | DrWhax + |
| CTF Night - 5th of August + | DrWhax + |
| CTF Weekend + | Bakboter + |
| CTF meetup + | Tatiana + |
| CTF meetup: 12 Nov 2017 + | Tatiana + |
| CTF meetup: 16 Dec 2017 + | Tatiana + |
| CTF meetup: 17 Feb 2018 + | Maijin + |
| CTF meetup: 2 Dec 2017 + | Tatiana + |
| CTF meetup: 24 Feb 2018 + | Maijin + |
| CTF meetup: 26 Nov 2017 + | Tatiana + |
| CTF meetup: 28 Oct 2017 + | Tatiana + |
| CTF meetup: 4 Nov 2017 + | Tatiana + |
| CTF-practice-evening:2013-12-09 + | Melanie + |
| CTF-practice-evening:2013-12-23 + | Melanie + |
| CTF-practice-evening:2014-01-06 + | Melanie + |
| CTF-practice-evening:2014-01-13 + | Melanie + |
| CTF-practice-evening:2014-01-27 + | Melanie + |
| CTF-practice-evening:2014-02-03 + | Melanie + |
| CTF-practice-evening:2014-02-10 + | Melanie + |
| CTF-practice-evening:2014-02-24 + | Melanie + |
| CTF-practice-evening:2014-03-03 + | Melanie + |
| CTF-practice-evening:2014-03-10 + | Melanie + |
| CTF-practice-evening:2014-03-24 + | Melanie + |
| CTF-practice-evening:2014-03-31 + | Melanie + |
| CTF-practice-evening:2014-04-07 + | Melanie + |
| CTF-practice-evening:2014-04-14 + | Melanie + |
| CTF-practice-evening:2014-04-28 + | Melanie + |
| CTF-practice-evening:2014-05-12 + | Melanie + |
| CTF-practice-evening:2014-05-26 + | Melanie + |
| CTF-practice-evening:2014-06-02 + | Melanie + |
| CTF-practice-evening:2014-06-09 + | Melanie + |
| CTF-practice-evening:2014-06-23 + | Melanie + |
| CTF-practice-evening:2014-06-30 + | Melanie + |
| CTF-practice-evening:2014-07-07 + | Melanie + |
| CTF-practice-evening:2014-07-14 + | Melanie + |
| CTF-practice-evening:2014-08-04 + | Melanie + |
| CTF-practice-evening:2014-08-11 + | Melanie + |
| CTF:Codegate-Prelims-2014-Day1 + | Melanie + |
| CTF:Codegate-Prelims-2014-Day2 + | Melanie + |
| CTF:PhDays-Quals-2014 + | Melanie + |
| CTF:Plaid-CTF-2014 + | Melanie + |
| CTF:x86-assembly-video-day + | Melanie + |
| Case + | Webmind + |
| Cerberupsvoertuig + | Ultratux +, Control-k +, Wizzup + |
| ChristmasParty2014 + | Bigmac + |
| Cleaning event + | Contact + |
| CoC Committee Meeting 2023-07-12 + | Conduct@techinc.nl + |
| Code Red - Annie Machon and Simon Davies + | Julf + |
| CommonEasy-P2P-insurance + | Becha + |
| Community Organisers Meetup 17th June + | Becha + |
| Contrast Meetup + | Maikel van Leeuwen + |
| Cryptech.is + | Becha + |
| CryptoParty + | DrWhax + |
| Cryptocurrency sucks + | Drew + |
| Cryptoparty2 + | DrWhax + |
| CuckooBox - Malware Analysis + | DrWhax + |
| Cut/Displaying Rules in the space + | Amx109 + |
| Cut/ElectricityManagement + | Wizzup, ultratux + |
| Cut/Paint walls + | Narya + |
| Cut/Wallpaper + | Hamish + |
| Cut/Wide horizontal-logo + | Amx109 + |
| Cut/a working announce list + | Amx109 + |
| Cut/add hackerspaces.nl iframe + | Brainsmoke + |
| Cut/audio setup glitches + | Justa + |
| Cut/improve 'Membership' page + | Amx109 + |
| Cut/sort cabinets + | Justa + |
| Cut/test + | Dreamer + |
| Cyberphychology students and Internet Governance + | Becha + |
| Cycle Maintenance Workshop + | Katje + |
| Cycle Maintenance Workshop II + | Katje + |
| D&D - Beginners game + | Control-k + |
| D&D game night + | Mr seeker + |
| DIY Electronics Jewelry hacking + | Webmind + |
| Danish Students and Internet Governance + | Becha + |
| Deane + | ? + |
| Debian Release Party + | Webmind + |
| Dirty room planning + | Ultratux + |
| Discussion night creative/smart city + | Soktwee +, Casco + |
| Dixie Flatline + | Realitygaps + |
| Dolphinaric - SailfishOS hackfest + | Wizzup + |
