Dex
Dex is a personal CRM that reminds you to keep in touch with the people you would otherwise forget. Dex helps turn your acquaintances into your allies. Going beyond the superficiality of social networks requires commitment. If you remember to keep in touch thoughtfully, you can turn the interesting person you met at a networking event into a friend that has your back. I built Dex after failing to keep up with the tools I tried (Airtable, Notion, etc) for relationship management. Installing an ac
Y Combinator
yc-company-directory #1542Dex is a personal CRM that reminds you to keep in touch with the people you would otherwise forget. Dex helps turn your acquaintances into your allies. Going beyond the superficiality of social networks requires commitment. If you remember to keep in touch thoughtfully, you can turn the interesting person you met at a networking event into a friend that has your back. I built Dex after failing to keep up with the tools I tried (Airtable, Notion, etc) for relationship management. Installing an ac
sourceY Combinator
yc-company-directory #5686ThirdLayer is an applied research and product lab building the next interface for human–AI collaboration. Our first product is Dex, an AI copilot for the browser. Think Cursor for knowledge work, optimized for speed and embedded directly where you work. Most web agents are built for set-and-forget tasks. But real work is fluid and messy—spread across tabs, tools, and evolving decisions. Dex transforms your browser into an intelligent, multimodal workspace that understands your intent through voi
sourceDex is classified as AI infrastructure from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.
Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.
Companies similar to Dex
A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.
Etacts
match 65Etacts was born from the frustration of keeping in touch with our ever-growing list of friends (both business and personal), family, coworkers, and clients. It's impossible to remember to stay in touch with all the people that matter. Etacts helps you maintain your relationships by doing three things: 1) Showing you who you've lost touch with 2) Letting you set reminders to stay in touch with people 3) Helping you get back in touch meaningfully by giving you relevant context about your relations
shared product terms: personal, keep, touch, people; shared affiliation: Y Combinator
Plura (formerly Bloom Community)
match 49Plura (formerly Bloom Community) is a YCombinator backed startup based in Oakland, CA on a mission to use software to bring people together. Plura is a social and dating community that helps you meet new friends and partners organically through shared events and experiences. We partner with local event producers to help you connect and chat with other attendees before and after events. And, with a strong consent culture and referral-based community, we're the safest place to meet new partners an
shared product terms: people, social, event, friend; shared affiliation: Y Combinator
Rapportive
match 41Rapportive shows you everything about your contacts right inside your inbox. You can immediately see what people look like, where they're based, and what they do. You can establish rapport by mentioning shared interests. You can grow your network by connecting on LinkedIn. Imagine relationship management built into your email. For free.
shared product terms: people, network, interest, relationship; shared affiliation: Y Combinator
Osseus
match 41Osseus is the secure research brain for R&D teams. Today, research knowledge is fragmented across specialist tools, decisions, conversations, and people's heads. Osseus crafts this into a permissioned memory that grows with every experiment, decision, failure, and lesson learned. Rather than only retrieving the current state of connected tools, Osseus preserves how work evolved: what was tried, what failed, why decisions were made, and who holds the relevant context. Each person gets a personal
shared product terms: personal, people, person, fail; shared affiliation: Y Combinator
FitFu
match 41[FitFu is now closed. Here's the original description. It was one of the first gamified fitness apps] * Track your motion Using the accelerometer on your iPhone or iPod Touch, FitFu gives you feedback to help you keep going and reach your goals. * Celebrate progress with friends Friends are the key to sticking to your goals, so we've made FitFu social; whether you want to cheer them on, thank them for help or just compare your progress. * Discover a new way to stay motivated The more you and you
shared product terms: keep, touch, going, social; shared affiliation: Y Combinator
Popl
match 36Capture leads, scan badges, enrich data, and sync it all to your CRM—at events, conferences, and beyond. Powered by AI and our proprietary data engine, Popl helps companies around the world turn in-person events into a measurable & scalable growth channel.
shared product terms: crm, beyond, person, event; same category: AI infrastructure; shared affiliation: Y Combinator