Grindstone Accelerator

Global, virtual-first fellowship backing early-stage founders, run by a group of unicorn entrepreneurs. Two tracks: Ideation for founders without revenue traction, Traction for founders already generating revenue, users, pilots or patents. Roughly 35-40 startups accepted a year.

AWS Activate provides startups with promotional cloud credits, ranging from up to $5,000 for self-funded founders to up to $200,000 for pre-Series B startups backed by an Activate Provider (accelerator, angel investor, or VC firm). Invite-only additional credits beyond $200,000 are available for AI startups ready to scale post Activate Portfolio.

The most prominent startup accelerator in the world. Runs quarterly batches offering funding, mentorship, and access to a vast alumni network across virtually every industry.

Z Fellows is a one-week programme that brings technical builders together with founders of billion-dollar companies. Participants are mentored by these founders, and the programme continues to help them for the life of their company. Participants can join without money, or receive a $10,000 investment at a $1B valuation cap that converts into stock at the next priced round.

Latin America's largest startup acceleration program — a free, equity-free six-week program (Acceleration + Connection phases) with mentorship and training, running two cohorts a year and selecting up to 220 startups per cycle.

One of the world's most established public accelerators — equity-free grants from $15,000 (Build) up to $100,000 (Growth) for founders of any nationality, plus a 2-year Chilean startup visa. You keep 100% of your company.