Promoted
19-23Oct 2026
Birmingham Tech Week 2026
A week of talks, meetups and networking events across Birmingham's tech and startup community, spanning a broad range of industries and disciplines.
September 2026
44 events
2-4
Sep
INFOSEK 2026
Nova Gorica, Slovenia
Slovenia's biggest information-security conference: three parallel tracks for security practitioners, CIOs and IT managers at Hotel Perla.
150+ speakers · 800+ attendees
Register
8-10
Sep
IPEM Global 2026
Paris, France
The world's private capital hub: three days in Paris where LPs, GPs, advisers and fund services meet to raise, allocate and deploy…
6,584+ attendees
Register
8
Sep
DIGITAL X 2026
Cologne, Germany
Deutsche Telekom's free digital business festival in Cologne's Rheinauhafen, aimed at German SMEs adopting AI, cloud and connectivity.
5,000+ attendees
Register
9-13
Sep
Ars Electronica Festival 2026
Linz, Austria
Europe's landmark media-art festival: five days in Linz where artists, scientists and technologists show work at the edge of art and technology.
122,000+ attendees
Register
10-12
Sep
PyData Amsterdam 2026
Amsterdam, Netherlands
Community conference for data scientists and ML engineers in the Python and open-source ecosystem, with two conference days at NDSM Loods and…
80+ speakers · 800+ attendees
Register
13-15
Sep
Infobip Shift 2026
Zadar, Croatia
A three-day developer conference on the Adriatic: six stages of AI, infrastructure and engineering talks for builders and tech teams.
100+ speakers · 4,000+ attendees
Register
14-18
Sep
Cambridge Tech Week 2026
Cambridge, United Kingdom
A five-day citywide festival of Cambridge deep tech, for founders, researchers, investors and policymakers, with an Innovation Alley startup showcase.
1,500+ attendees
Register
14-18
Sep
NDC Oslo 2026
Oslo, Norway
Norway's biggest software-development conference, five days of talks and workshops for working developers, architects and engineering leads.
156+ speakers · 2,500+ attendees
Register
15
Sep
Code Europe 2026
Warsaw, Poland
A developer conference in Warsaw with three parallel tracks on AI engineering, cloud and software architecture, for senior engineers across CEE.
80+ speakers · 1,800+ attendees
Register
15
Sep
Cyprus Cyber Security Conference 2026
Nicosia, Cyprus
A half-day Nicosia conference from IMH and ISACA Cyprus for CISOs, IT leaders and regulators working on cyber resilience and compliance.
15-16
Sep
16,500+ attendees
Register
16
Sep
France Digitale Day 2026
Paris, France
France Digitale's flagship annual event in Paris, gathering founders, investors and policymakers from across Europe's startup ecosystem.
4,500+ attendees
Register
16
Sep
ftalks Food Summit 2026
Valencia, Spain
An agrifood and foodtech innovation summit in Valencia connecting startups, investors and food industry players around sustainable food production.
16-17
Sep
Nordic Business Forum 2026
Helsinki, Finland
Two days of big-name business keynotes at Messukeskus in Helsinki, for CEOs, owners and senior executives from across the Nordics and beyond.
7,500+ attendees
Register
16-19
Sep
Reeperbahn Festival 2026
Hamburg, Germany
Reeperbahn Festival is a music festival and industry conference in Hamburg’s St. Pauli district. The 2026 edition ran from 16 to 19…
17-18
Sep
Brain Bar 2026
Budapest, Hungary
Europe's largest annual future festival: two days of debate on AI, society and technology in Budapest, for students, founders and the curious…
15,000+ attendees
Register
17
Sep
Startup Fair 2026
Vilnius, Lithuania
One-day Vilnius startup conference and pitch battle connecting Baltic founders with international investors.
2,000+ attendees
Register
17
Sep
dotAI 2026
Paris, France
Curated single-track AI conference in Paris in the dot conferences 'TED-style' format, with around 20 handpicked talks for developers and machine learning…
20+ speakers · 800+ attendees
Register
17-18
Sep
Music Frontiers 2026
Hamburg, Germany
Music Frontiers is the music-tech conference of MusicTech Germany, the German federal music-tech association. The 2026 edition ran on 17 and 18…
18-20
Sep
BalCCon (Balkan Computer Congress) 2026
Novi Sad, Serbia
The Balkan Computer Congress: a non-commercial hacker and security gathering in Novi Sad, with talks and workshops run by the community itself.
18-26
Sep
San Sebastián Film Festival (SSIFF) 2026
San Sebastian, Spain
The 74th San Sebastián International Film Festival (SSIFF, Donostia Zinemaldia) ran from 18 to 26 September 2026 in San Sebastián, Spain. Screenings…
21
Sep
Leeds Digital Festival 2026
Leeds, United Kingdom
A twelve-day, city-wide festival of 200+ mostly free tech events across Leeds, for the region's developers, digital businesses and tech community.
15,000+ attendees
Register
21-25
Sep
Belfast Tech Week 2026
Belfast, United Kingdom
A citywide, community-programmed tech festival across Belfast: 60+ events for founders, developers and Northern Ireland's wider tech scene.
3,000+ attendees
Register
22-23
Sep
Turing Fest 2026
Edinburgh, United Kingdom
Edinburgh's two-day summit for startup founders, operators and investors, capped at 300 attendees with 50+ speakers.
50+ speakers · 300+ attendees
Register
22
Sep
Cyber Ireland National Conference 2026
Kilkenny, Ireland
Ireland's national cybersecurity conference: a day in Kilkenny for the country's security industry, public sector, academia and vendors.
400+ attendees
Register
22
Sep
Salon de la Data et de l’IA 2026
Lyon, France
Free, volunteer-run French data and AI community conference in Nantes, open to all data professionals - with a first Lyon edition launching…
100+ speakers · 2,000+ attendees
Register
23-24
Sep
Nordic Fintech Week 2026
Copenhagen, Denmark
Copenhagen Fintech's two-day conference at TAP1, bringing fintech founders together with banks, investors and regulators from across the Nordics.
225+ speakers · 2,000+ attendees
Register
23-24
Sep
0100 Emerging Europe 2026
Budapest, Hungary
0100 Emerging Europe is a startup and venture conference in Budapest, Hungary, running 23-24 September 2026.
24
Sep
DevTalks 2026
Bucharest, Romania
The Cluj-Napoca edition of Romania's biggest developer conference, a one-day, three-stage programme for engineers and tech leads.
40+ speakers · 2,500+ attendees
Register
24
Sep
ScotSoft 2026
Edinburgh, United Kingdom
ScotSoft is a software engineering and AI conference in Edinburgh, United Kingdom, on 24 September 2026.
24
Sep
AAIC Austrian AI Congress 2026
Vienna, Austria
AAIC Austrian AI Congress is an AI conference in Vienna, Austria, on 24 September 2026.
25-26
Sep
Science in the City 2026
Valletta, Malta
Malta's national science and arts festival, filling Valletta's streets with research, performance and hands-on demos for the public.
33,000+ attendees
Register
25-27
Sep
IT Arena 2026
Lviv, Ukraine
IT Arena is a software engineering conference in Lviv, Ukraine, running 25-27 September 2026.
28
Sep
La Melee Numerique 2026
Toulouse, France
A week-long digital festival across Toulouse, with 20+ themed tracks, a hackathon and side events for the Occitanie tech and business community.
520+ speakers · 9,740+ attendees
Register
28-30
Sep
Bits & Pretzels Founders Festival 2026
Munich, Germany
Bits & Pretzels is a founders festival in Munich bringing together entrepreneurs, investors and corporates for talks, workshops and networking.
7,500+ attendees
Register
28-30
Sep
Cyprus Forum 2026
Nicosia, Cyprus
Cyprus's main public policy conference, three days in Nicosia bringing politicians, business, academia and civil society into one room.
28
Sep
BASTA! Herbst 2026
Mainz, Germany
BASTA! Herbst is a software engineering conference in Mainz, Germany, running 28 September - 2 October 2026.
28
Sep
GOTO Copenhagen 2026
Copenhagen, Denmark
GOTO Copenhagen is a software engineering conference in Copenhagen, Denmark, running 28 September - 2 October 2026.
29
Sep
Toulouse Space Forum 2026
Toulouse, France
A one-day Toulouse gathering of space agency leaders, primes and suppliers, run by La Tribune at the Cite de l'Espace.
30+ speakers · 600+ attendees
Register
29
Sep
BIOSPAIN 2026
Bilbao, Spain
Spain's national biotechnology industry meeting, organised by AseBio, bringing together biotech companies, investors and researchers for partnering and dealmaking.
2,400+ attendees
Register
29
Sep
Trondheim Tech Festival 2026
Trondheim, Norway
Trondheim Tech Port's three-day autumn festival for Norway's technology, research and startup community.
250+ attendees
Register
29
Sep
INOFEST 2026
Nitra, Slovakia
A one-day Slovak innovation festival on industrial transformation, AI in manufacturing and regional development, for makers, manufacturers and founders.
200+ attendees
Register
29-30
Sep
Devopsdays Berlin 2026
Berlin, Germany
Devopsdays Berlin is a software engineering conference in Berlin, Germany, running 29-30 September 2026.
30
Sep
Sifted Summit 2026
London, United Kingdom
Sifted's London gathering for European startup founders, operators and investors, built around candid on-stage conversation.
1,500+ attendees
Register
Want to work with us?
Partner with Sesamers to bring startup energy to your next event.
Sesamers newsletters
Weekly brief every Monday and The Opener twice a month - both included when you subscribe.