RegionsNorth AmericaEuropeIsraelIndiaSoutheast AsiaEast AsiaLatin AmericaMiddle EastAfricaOceaniaGlobalUpdated 14 October 2026
AcquiredStartups
SearchExit tracker
Top startup acquisitions · Developer tools

Top Developer tools startup acquisitions in September 2026

We tracked 5 startup exits in September 2026, 1 of them acquihires. 1 disclosed a price, worth $23.2m in total. The biggest was Callstack buying Margelo for $23.2m.

All Developer tools startup acquisitions →
  1. #DateAcquirer → StartupSectorLocationPriceSize
  2. 11 SepCallstack → MargeloCallstack acquires Vienna's Margelo in deal valuing it above €20 millionDeveloper toolsVienna, Austria$23.2m< $50m
  3. 224 SepLiveKit → Loophole LabsLiveKit acquires Loophole Labs to make its AI agents start in under three secondsDeveloper toolsNew York, United StatesUndisclosedUndisclosed
  4. 314 SepYardi → Sidero LabsYardi acquires Sidero Labs, maker of the Talos Linux operating system for KubernetesDeveloper toolsGoleta, United StatesUndisclosedUndisclosed
  5. 410 SepCognition → Dioxus LabsCognition hires the Dioxus Labs team to work on its Devin coding agentDeveloper toolsSan Francisco, United StatesUndisclosedUndisclosed
  6. 59 SepShopify → Tailwind LabsShopify acquires Tailwind Labs, the company behind the Tailwind CSS frameworkDeveloper toolsCanadaUndisclosedUndisclosed