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Developer Tools conferences

80 events catalogued in Developer Tools, 79 forthcoming across 2026 and 2027, 1 prior. Click any entry for the full editorial profile: speakers, sponsors, sessions, cross-event company graph.

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The best Developer Tools conferences in 2026 and 2027

Data as of October 8, 2026

10 picks from 79 upcoming Developer Tools conferences, ranked by verified program depth: the speakers and sponsors each event publishes on its own site. How we verify.

At a glance
#ConferenceDatesWhereSpeakersSponsorsBest for
1BDX I/O 2026October 29, 2026Talence, FR8818A broad program of sessions
2Lambda World 2026October 29, 2026Malaga, ES7541Seeing the vendor landscape
3BaselOne 2026October 14, 2026Basel, CH7212A broad program of sessions
4Momentum Developer Conference 2026October 15, 2026Cincinnati, US6912A broad program of sessions
5Momentum 2026October 16, 2026Cincinnati, US6912A deep speaker lineup
6dev2next 2026October 12, 2026Lone Tree, US5222A deep speaker lineup
7TDC 2026October 19, 2026Trondheim, NO4632Seeing the vendor landscape
8CMS Conf 2026November 12, 2026Gdynia, PL612A deep speaker lineup
9MITechCon 2026October 29, 2026Auburn Hills, US580A deep speaker lineup
10Heapcon 2026November 5, 2026Belgrade, RS3340Seeing the vendor landscape
  1. 1
    BDX I/O 2026October 29, 2026

    Talence, FR·88 voices, 18 sponsors

    Best forA broad program of sessions

    88 speakers. Sponsors include Neosoft, Betclic and SFEIR. About 925 attendees expected.

    Track
  2. 2
    Lambda World 2026October 29, 2026

    Malaga, ES·75 voices, 41 sponsors

    Best forSeeing the vendor landscape

    75 speakers, 15% at VP level or above. Sponsors include Prima, Leo Vegas and Medida.

    Track
  3. 3
    BaselOne 2026October 14, 2026

    Basel, CH·72 voices, 12 sponsors

    Best forA broad program of sessions

    72 speakers, 13% at VP level or above. Sponsors include BLKB, Java Users Group Switzerland and CSS. About 310 attendees expected.

    Track
  4. 4

    Cincinnati, US·69 voices, 12 sponsors

    Best forA broad program of sessions

    69 speakers. Sponsors include Redis, Leapwork and Afidence.

    Track
  5. 5
    Momentum 2026October 16, 2026

    Cincinnati, US·69 voices, 12 sponsors

    Best forA deep speaker lineup

    69 speakers. Sponsors include Redis, Leapwork and Afidence.

    Track
  6. 6
    dev2next 2026October 12, 2026

    Lone Tree, US·52 voices, 22 sponsors

    Best forA deep speaker lineup

    52 speakers. Sponsors include Red Hat, Confluent and Netflix.

    Track
  7. 7
    TDC 2026October 19, 2026

    Trondheim, NO·46 voices, 32 sponsors

    Best forSeeing the vendor landscape

    46 speakers. Sponsors include Capgemini, Sopra Steria and SoftwareOne. About 800 attendees expected.

    Track
  8. 8
    CMS Conf 2026November 12, 2026

    Gdynia, PL·61 voices, 2 sponsors

    Best forA deep speaker lineup

    61 speakers, 35% at VP level or above. Sponsors include dhosting.pl and Osom Studio.

    Track
  9. 9
    MITechCon 2026October 29, 2026

    Auburn Hills, US·58 voices

    Best forA deep speaker lineup

    58 speakers, 20% at VP level or above.

    Track
  10. 10
    Heapcon 2026November 5, 2026

    Belgrade, RS·33 voices, 40 sponsors

    Best forSeeing the vendor landscape

    33 speakers, 16% at VP level or above. Sponsors include Rivian, Solflare and JetBrains. About 700 attendees expected.

    Track

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Questions

About Developer Tools conferences

What are the best Developer Tools conferences in 2026?
Ranked by how many speakers and sponsors each event lists on its own site, the top three are BDX I/O 2026 (October 29, 2026, Talence, FR), Lambda World 2026 (October 29, 2026, Malaga, ES) and BaselOne 2026 (October 14, 2026, Basel, CH). The ranking above covers 10 events out of 79 upcoming Developer Tools conferences we track.
Which Developer Tools conference has the most sponsors?
Lambda World 2026 lists 41 sponsors, the most of any upcoming Developer Tools conference we track. It runs October 29, 2026 in Malaga, ES.
When is the next Developer Tools conference?
DevFest Krakow 2026 is next, on October 10, 2026 in Krakow, PL.
Which Developer Tools conferences are accepting speakers?
Calls for speakers are open at DevFest Warri 2026 (until October 11) and Infonoms 2026 (until October 15).
How is this list ranked?
By verified program depth: the number of speakers and sponsors each conference publishes on its own website, which we re-check against the source. No event pays to appear in this ranking.