Open source alternatives to esimNB

Crater

Crater offers AI-driven invoicing workflows, payments

Activepieces

Chat, agents, flows, tables

UniBee

Replace expensive billing solutions with open-source software

OmniTools

Self-Hosted Open-Source Swiss Army Knife for Everyday Tasks

Relaticle

Open-source CRM with a built-in AI assistant, 37 MCP tools

Solidus

Open-source eCommerce platform offering customization

Lago

Open-source billing system that handles metering, usage-based pricing

Linky

Build a dynamic link-in-bio page with a drag-and-drop editor

GrowthBook

Experimentation, Feature Flags & Product Analytics Platform

Invoice Dragon

Create PDF Invoices and Receipts for Free

Draftbit

Visually design and build mobile apps directly from your browser

OpenTrailPaper

DIY e-paper bike computer

Onyx

An open-source platform that connects to 40+ apps

Swirl Search

AI-powered search and RAG platform

Khoj

Self-hostable AI assistant that connects to your docs and the web

0 Finance

High-yield treasury management for startups earning 8% APY

Umami

Privacy-First Analytics Platform

Billion Mail

Self-hosted email marketing platform

Erxes

All-in-one solution for marketing, sales, and customer service

Typebot

Design, build, and deploy interactive chatbots with a visual editor

Litlyx

Track user behavior, custom events, and conversion funnels in real-time

Aptabase

Open Source, Privacy-First and Simple Analytics for Mobile, Desktop and Web apps

TryPost

Plan, schedule, and auto-publish social media content across 10+ networks

Eigent

Self-hostable desktop app that runs a coordinated team of AI agents

OpenComputer

Provides always-on virtual machines for AI agents