Of the Field
Open Source conferences
80 events catalogued in open source, 80 forthcoming across 2026 and 2027. Click any entry for the full editorial profile: speakers, sponsors, sessions, cross-event company graph.
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80 upcoming conferences · updates automatically. Every conference and CFP deadline, straight to Google, Apple, or Outlook, new dates appear on their own.
The best Open Source conferences
Our picks, by program depth- 1AR TrackNerdearla Argentina 2026September 22, 2026
Buenos Aires, AR·108 voices, 72 sponsors
- 2US TrackAirflow Summit 2026August 31, 2026
Austin, US·140 voices, 4 sponsors
- 3CA TrackRustConf 2026September 8, 2026
Montreal, CA·72 voices, 18 sponsors
- 4NL TrackPercona Live 2026 AmsterdamSeptember 9, 2026
Amsterdam, NL·71 voices, 19 sponsors
- 5JP TrackAGNTCon + MCPCon JapanSeptember 10, 2026
Tokyo, JP·70 voices, 8 sponsors
- 6DE TrackJoomla World Conference 2026October 16, 2026
Potsdam, DE·56 voices, 31 sponsors
Forthcoming
On the horizon, by date- August 24, 2026DjangoCon US 2026
Chicago, US·30 voices, 16 sponsors
- August 28, 2026State of the Map 2026
Paris, FR·40 voices, 17 sponsors
- August 28, 20261er. Cónclave de la RHED Hispana de Entusiastas Digitales
Querétaro, MX·0 voices, 0 sponsors
- August 30, 2026FOSS4G Hiroshima 2026
Hiroshima, JP·0 voices, 34 sponsors
- August 31, 2026GopherCon South Africa 2026
Johannesburg, ZA·0 voices, 2 sponsors
- August 31, 2026Airflow Summit 2026
Austin, US·140 voices, 4 sponsors
- September 1, 2026Red Hat Summit: Connect 2026 (Melbourne Edition)
Melbourne, AU·29 voices, 2 sponsors
- September 1, 2026KCD x Ceph x Openinfra Day Korea 2026
Seoul, KR·11 voices, 21 sponsors
- September 6, 2026AGNTCon + MCPCon China
Shanghai, CN·0 voices, 0 sponsors
- September 7, 2026OSPOlogy + OSPO Summit China 2026
Shanghai, CN·0 voices, 5 sponsors
- September 8, 2026KubeCon + CloudNativeCon + OpenInfra Summit + PyTorch Conference China 2026
Shanghai, CN·0 voices, 20 sponsors
- September 8, 2026CH Open Workshop-Tage 2026
Rapperswil, CH·27 voices, 30 sponsors
- September 8, 2026PGDay UK 2026
London, GB·15 voices, 6 sponsors
- September 8, 2026RustConf 2026
Montreal, CA·72 voices, 18 sponsors
- September 9, 2026EuroBSDCon 2026
Brussels, BE·0 voices, 13 sponsors
- September 9, 2026Percona Live 2026 Amsterdam
Amsterdam, NL·71 voices, 19 sponsors
- September 10, 2026ElixirConf US 2026
Chicago, US·33 voices, 14 sponsors
- September 10, 2026AGNTCon + MCPCon Japan
Tokyo, JP·70 voices, 8 sponsors
- September 11, 2026Go Conference 2026
Tokyo, JP·1 voices, 58 sponsors
- September 11, 2026Fyne Conf 2026
Eindhoven, NL·6 voices, 1 sponsors
- September 14, 2026posit::conf(2026)
Houston, US·33 voices, 0 sponsors
- September 14, 2026GopherCon India 2026
Jaipur, IN·30 voices, 3 sponsors
- September 15, 2026Xen Summit 2026
Munich, DE·0 voices, 1 sponsors
- September 16, 2026Dragonfly Ascent 2026
Virtual·4 voices, 6 sponsors
- September 17, 2026PyCon Cameroon 2026
Yaoundé, CM·18 voices, 0 sponsors
- September 18, 2026WordCamp Bretagne 2026
Rennes, FR·0 voices, 0 sponsors
- September 19, 2026DevFest Campobasso 2026 - Rebuild your Future!
Provincia di Campobasso, US·3 voices, 1 sponsors
- September 22, 2026GDevCon#7
Brussels, BE·23 voices, 29 sponsors
- September 22, 2026Nerdearla Buenos Aires 2026
Buenos Aires, AR·11 voices, 72 sponsors
- September 22, 2026OpenSearchCon North America 2026
San Jose, US·0 voices, 2 sponsors
- September 22, 2026Nerdearla Argentina 2026
Buenos Aires, AR·108 voices, 72 sponsors
- September 23, 2026Rails World 2026
Austin, US·28 voices, 37 sponsors
- September 24, 2026DevConf.US 2026
Boston, US·0 voices, 3 sponsors
- September 24, 2026WikiConference North America 2026
Edmonton, CA·0 voices, 0 sponsors
- September 26, 2026IndiaFOSS 2026
Bengaluru, IN·2 voices, 5 sponsors
- September 28, 2026Goatmire 2026
Varberg, SE·33 voices, 10 sponsors
- September 30, 2026Postgres Summit US 2026
New York City, US·1 voices, 8 sponsors
- October 2, 2026GNU Tools Cauldron 2026
Prague, CZ·0 voices, 10 sponsors
- October 2, 2026IICT 2026
Bengaluru, IN·0 voices, 1 sponsors
- October 2, 2026PyCon Kenya 2026
Nairobi, KE·0 voices, 5 sponsors
- October 5, 2026Linux Plumbers Conference 2026
No address set·0 voices, 0 sponsors
- October 5, 2026OSS + ELC EU 2026
Virtual·0 voices, 0 sponsors
- October 5, 2026Observability Summit Europe
Prague, CZ·0 voices, 24 sponsors
- October 5, 2026ValkeyConf
Prague, CZ·0 voices, 2 sponsors
- October 6, 2026Linux Foundation Member European Forum
Prague, CZ·0 voices, 24 sponsors
- October 6, 2026OpenSSF Community Day Europe 2026
Prague, CZ·0 voices, 1 sponsors
- October 6, 2026Valkey Contributor Summit
Prague, CZ·0 voices, 4 sponsors
- October 7, 2026PyCon Africa 2026
Kampala, UG·0 voices, 2 sponsors
- October 8, 2026Linux Kernel Maintainer Summit
Prague, CZ·0 voices, 24 sponsors
- October 10, 2026TinyGo Conference 2026
Tokyo, JP·0 voices, 1 sponsors
- October 10, 2026Lakehouse Day 2026
Glasgow, GB·66 voices, 10 sponsors
- October 10, 2026DevFest Milano 2026
Milano, IT·0 voices, 3 sponsors
- October 11, 2026Community Over Code 2026 Glasgow
Glasgow, GB·27 voices, 10 sponsors
- October 12, 2026Project Teams Gathering (PTG) 2026
Virtual·0 voices, 0 sponsors
- October 12, 20262026 P4 Workshop
Silicon Valley, US·13 voices, 0 sponsors
- October 13, 2026BazelCon 2026
Amsterdam, NL·0 voices, 7 sponsors
- October 13, 2026OpenSSL Conference Prague 2026
Prague, CZ·17 voices, 19 sponsors
- October 14, 2026BaselOne 2026
Basel, CH·66 voices, 8 sponsors
- October 14, 2026EuroRust 2026
Barcelona, ES·27 voices, 3 sponsors
- October 15, 2026GopherCon Africa 2026
Nairobi, KE·28 voices, 3 sponsors
- October 15, 2026KubeVirt Summit 2026
Virtual·0 voices, 0 sponsors
- October 15, 2026TalosCon 2026
Amsterdam, NL·9 voices, 6 sponsors
- October 15, 2026GopherCon China 2026
Shanghai, CN·0 voices, 0 sponsors
- October 16, 2026Joomla World Conference 2026
Potsdam, DE·56 voices, 31 sponsors
- October 17, 2026DevFest Jos 2026
Jos, NG·0 voices, 0 sponsors
- October 18, 2026GopherCon Israel 2026
Tel Aviv, IL·0 voices, 0 sponsors
- October 18, 2026All Things Open 2026
Raleigh, US·24 voices, 0 sponsors
- October 19, 2026TDC 2026
Trondheim, NO·46 voices, 32 sponsors
- October 20, 2026PostgreSQL Conference Europe 2026
Valencia, ES·0 voices, 14 sponsors
- October 20, 2026PGConf Europe 2026
Valencia, ES·0 voices, 0 sponsors
- October 20, 2026OCUDU Ecosystem Developer Summit
Alexandria, US·0 voices, 4 sponsors
- October 21, 2026Code BEAM Europe 2026
Virtual·36 voices, 11 sponsors
- October 22, 2026AGNTCon + MCPCon North America
San Jose, US·0 voices, 26 sponsors
- October 23, 2026SeaGL 2026
Seattle, US·0 voices, 49 sponsors
- October 23, 2026Posadev 2026
Buenos Aires, AR·0 voices, 0 sponsors
- October 23, 2026CarolinaCon 2026
Virtual·0 voices, 0 sponsors
- October 25, 2026PGDay Israel 2026
Tel Aviv, IL·2 voices, 2 sponsors
- October 28, 2026Mozilla Festival 2026
Barcelona, ES·0 voices, 0 sponsors
- October 28, 2026GitHub Universe
San Francisco, US·0 voices, 2 sponsors
- October 29, 2026FlutterKaigi 2026
Tokyo, JP·0 voices, 29 sponsors