Lab

"There should besomething for this."

We said it so many times that we ended up building it. 20 projects so far, 13 of them open source.

01Products

What runs in production.

Products with users, support and a roadmap. Several are open source too.

Pelli

Memories delivered without friction.

The all-in-one platform for photographers: galleries, delivery, store, quotes and invoices. Fewer tools, more time to create.

7,000+ photographersSaaS

Louez

Rent. Track. Invoice. No paperwork.

The software for equipment rental businesses: online store, bookings, contracts, deposits. Open source, on your server or in the cloud.

58 ★ · 7,600 Docker pullsSaaS + Open source

LumyRadio

Your radio, run end to end.

The all-in-one suite for community radio stations: on-air, podcasts, audience and website. Over 30 stations use it, hosted in France.

30+ stationsSaaS

Hovod

The video platform that belongs to you.

The open-source alternative to Mux and Cloudflare Stream. One Docker image, your own S3 storage, and your videos stay yours.

v1.0 · 48 ★SaaS + Open source

Parler

Your voice, typed anywhere.

Open-source voice dictation for Mac, Windows and Linux. Hold a shortcut, speak, let go: your words are typed in any app.

Mac · Windows · LinuxSaaS + Open source

Upgradr

An AI team. In your name.

The AI-agent website builder made for agencies. Fully white-label, turnkey client space, zero lock-in.

For agenciesSaaS

SaaS Monitor

Watch your SaaS grow, live.

A Stripe dashboard for the office TV: a sound for every sale, confetti at every milestone, MRR in front of the whole team.

Free in betaSaaS + Open source

Hushletter

All your newsletters, one happy inbox.

An email address just for your newsletters. They arrive sorted by sender, away from your main inbox.

Free to startSaaS

02Open source & experiments

Born from a need, shared by default.

Tools we built for ourselves, then opened. Take what helps, fork it, send a PR.

RepèreBeta

Feedback, right where it belongs.

Comment on a website or a PDF exactly where it matters. One link to share, one point to place, and the conversation stays in context.

MIT22026

EduBrainBeta

The sovereign teaching assistant for teachers.

An open-source AI assistant for teachers, built on Albert API. The teacher sets the rules, answers cite their sources.

EUPL-1.222026

fromHelloSoon

You didn't start this to stay small.

Open-source marketing automation: tracking, real-time segments, email, SMS and push journeys. Waitlist open.

Soon112026

AircastBeta

Put your radio on air.

The open-source desktop app to stream to Icecast. Mic, jingles, ducking, relay: a radio studio with no subscription and no cloud.

GPL-3.062026

Vexa Dashboard

Find any word from any meeting.

The open-source interface for Vexa: a bot in your Meet or Teams calls, live transcripts, and archives you can ask questions.

Apache-2.062025

Selaou

When machines listen, humans correct.

Correct transcripts word by word, starting where the model is unsure. To build high-quality AI datasets.

MIT42025

ShotAPI

Capture the web in an instant.

A URL in, a screenshot or a PDF out. The open-source alternative to urlbox, running in one Docker command.

MIT42025

FastDiarize

Know who spoke. Automatically.

A diarization API: send an audio file, get back who spoke and when. A 30-person meeting, without listening again.

MIT102025

Project Synapse

A Breton AI, open source and ethical.

AI models for the Breton language, trained on the archives of some twenty community radio stations. Already in production.

Open source2025

Archives — the code stays online

All our code is on GitHub.

Read it, use it, improve it. And if you build too, show us.

github.com/Synapsr Join us