LinkedIn·Friday, 21 August 2026·5d ago

Nexus (YC F25) can now build pretty much any SaaS. Already seeing spikes in adoption across multiple clients We stitched a master…

Assem Chammah

CEO @ Nexus | AI transformation for enterprises | Clients inc. Orange Group & Lambda

Nexus (YC F25) can now build pretty much any SaaS. Already seeing spikes in adoption across multiple clients We stitched a master boilerplate together from the best open-source TypeScript repos: - Spreadsheets - Doc editing with track-changes and suggestions - PowerPoint-style presentation tools - Maps - Itinerary builders - Calendars 1. MIT licenses only. We only pulled from MIT-licensed repos. Anything built on top of it carries no license obligation. That was a deliberate constraint to avoid any legal complications. 2. Credentials never leave Nexus. Google Cloud, BigQuery, every third-party credential and env var sits inside Nexus. Your business team builds the app. They never touch an API key. 3. Replaces licensed software. One client is replacing Salesforce with internal apps built on this. Up to $600k a year in license fees. 35% of teams have already swapped at least one SaaS tool for something they built themselves (Retool, 2026). We spent months building deep infrastructure including data accessing, tooling, a company 2nd brain. Which means anything like the following is now possible and a prompt away at extremely high quality: → Architectural floor plan builder for construction teams. → Legal doc editors where the AI leaves suggestions in the margin. → Store-by-store operations map for a retail network. → Deal pipeline model in a spreadsheet the deal team edits live. → Board decks built straight from the underlying numbers. → Field engineer scheduling calendar that rebuilds the route when a job overruns. → Itinerary builder for a travel operator with supplier pricing already loaded. → Claims review tool that keeps the audit trail on every decision.

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