Tip-offs
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Aug 22, 2025
Each week, we surface high-potential startups & promising founders.
This week's highlights →
⭐ User Favourites
Startups racking up product reviews fast and keeping users happy (NPS > 50).
SubStrata | NPS 91
B2B SaaS platform that helps sales teams improve digital communication and negotiation outcomes. Founded by Ori Manor Zuckerman, Eran Yessodi, and Baruchi Harlev, it’s grown reviews by 639% in 6 months. Raised $9.1M to date.
Tel Aviv, Israel
Enso Connect | NPS 88
Guest experience platform that ties together check-in, communication, and upsells for hotels and rentals. Founded by Francois Gouelo and Peter Sorbo, it’s grown reviews by 27.6% in 6 months. Raised $2M to date.
Toronto, Canada
Propago | NPS 83
A marketing asset management platform that lets enterprises centralize, customize, and distribute branded materials. It’s grown reviews by 63% in 6 months. Raised $950K to date.
Austin, US
Vome | NPS 79
Volunteer management SaaS helping nonprofits streamline recruitment, scheduling, and engagement. Backed by Newchip Accelerator, it logged 41.7% review growth. Raised $250K so far.
Toronto, Canada
Moss | NPS 78
Corporate credit card and spend management platform for European companies. Founded by Ante Spittler, Anton Rummel, Ferdinand Meyer, and Stephan Haslebacher, with backing from Valar and Cherry Ventures. Posted 43.2% review growth and raised $200M+ across rounds.
Berlin, Germany
💻 Developer Darlings
Startups (≤24 months old) with open-source repos that have a high number of GitHub stars.
All Hands | 55,954 Stars
Built OpenHands - an open-source AI agent framework that automates coding tasks for developers. Secured a $5M Seed led by Menlo Ventures.
Repo: All-Hands-AI/OpenHands
Boston, US
Browser Use | 55,789 Stars
StarsBrowser Use creates automation tools that enable AI agents to navigate and interact with websites. Raised $17.5M Seed led by Felicis with Y Combinator and SV Angel backing.
Repo: browser-use/browser-use
San Francisco, US
Cline | 40,944 Stars
An open-source agent that automates software creation inside IDEs. It closed a $32M Series A with Pace Capital and Emergence at a $110M valuation.
Repo: cline/cline
San Francisco, US
Unsloth | 38,044 Stars
A freemium B2B SaaS platform for building, deploying, and managing custom LLMs. Y Combinator and GitHub Accelerator backed their $540K seed round with notable angels, including Canva's Cliff Obrecht.
Repo: unslothai/unsloth
San Francisco, US
HeroUi | 24,715 Stars
HeroUI (Previously NextUI) is a freemium React UI library built on Radix UI and Tailwind CSS. Backed by Epakon Capital with a $300K pre-seed, they compete against heavyweights like Material UI and Chakra UI.
Repo: heroui-inc/heroui
San Francisco, US
🏌️♂️ Second Innings
Serial founders with prior exits building again.
Ryan Alfred
Harvard alum. Serial fintech founder.Built BrightScope (acquired by Strategic Insight) and Digital Assets Data (acquired by NYDIG). Now building Banking Embedded — a data and insights platform for the embedded finance ecosystem.
Atlanta, US
Nik Shevchenko
Thiel Fellow. Serial founder, 2 exits before he turned 25.Built FundPlatform (sold) and WeLoveNoCode ($52M valuation, acquired by Toptal). Now building Omi: AI wearables backed by $2.7M in pre-seed funding, with a long-term bet on brain-computer interfaces.
San Francisco, US
Carl Ryden
Built PrecisionLender (acquired by Q2) and now building WarmHub: a $2.5M seed-backed platform building infra to verify and scale trust in software development and scientific research.
Cary, US
Alex Salazar
Stanford MBA. Georgia Tech alum.Ex-founder of Stormpath (acquired by Okta). Now building Arcade.dev — AI tool-calling platform for agents. Backed by Laude Ventures, Flybridge, Neotribe, and others ($12M seed).
San Mateo, US
Ian Gover
3x HRTech Founder. Ex-co-founder of Everwise (acquired by Torch) and OpenComp (raised $10M+). Now building Rypple.ai: AI-powered leadership coaching for managers, backed by AI Fund (pre-seed).
Oakland, US