Innosphere Ventures
A nonprofit in Fort Collins, Colorado, running an eight-month accelerator for early-stage science and technology companies, mostly over Zoom. It takes no equity and charges a programme fee.
Funding not published · equity-free
Accelerator · San Marcos, Texas, United States
Starburst's defence accelerator in San Marcos, Texas, for startups building defence and dual-use technology from prototype to early growth. Cohort 2 runs December 2026 to March 2027 and ends with an in-person demo day.
Open · closes 19 Oct 2026 Run by Starburst
Verified 18 October 2026 · From the programme's own pages
Investment, equity and fees are not published. The timeline runs six weeks of programme, Hays Caldwell Innovation Days, seven more weeks, then demo days. Partnered with Hays Caldwell EDP. Cohort 1 had 10 startups.
Cohort 2: applications close 19 October 2026.
Usual timing: Cohort 2 launches in December 2026, with an in-person demo day planned for early March 2027.
AirSentinel, DETEQT, LumiStrain, Solid State Metal, Helix Defense
Other accelerators that share a sector with Starburst Innovation Corridor Defense Accelerator or run in the United States.
A nonprofit in Fort Collins, Colorado, running an eight-month accelerator for early-stage science and technology companies, mostly over Zoom. It takes no equity and charges a programme fee.
Funding not published · equity-free
Chapel Hill accelerator whose main track, Launch Powered by KPMG, is a free six-week cohort for MVP or early-sales startups, with or without a UNC link, ending in a Demo Day. It takes no equity.
Funding not published · equity-free
NextCorps' Rochester accelerator for startups building optics, photonics, imaging and laser-enabled technology, with a US$100,000 investment at the start and a hybrid programme that meets in person one week a month.
Funding not published · equity not published
Cornell Tech's Jacobs Technion-Cornell Institute pays recent PhDs a salary and research budget for one to two years to start a technology company on its Roosevelt Island campus, taking equity in return.
Funding not published · equity not published
Objectives-based programme for seed-stage science and technology companies, built around full-day mentor sessions every eight weeks. Started at the University of Toronto's Rotman School and now runs at 17 sites; no fees and no equity.
Funding not published · equity-free
A free, equity-free 16-week hybrid fintech accelerator run by MassChallenge with SMU Cox in Dallas, for pre-seed to Series A startups. It combines virtual programming with three in-person intensives in Dallas.
Funding not published · equity-free
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