Listmonk is a high-performance, open-source, self-hosted newsletter and mailing-list manager for sending and analysing bulk and transactional email at scale. It runs as a single Go binary with a Vue web UI and stores data in PostgreSQL. The project is AGPL v3 licensed and exposes REST-like APIs for automation. It

Mixpost is an open-source, self-hosted social-media management platform for scheduling, AI-assisted content creation, team workflows, and white-label agency features. It centrally plans, generates, approves, schedules, and analyzes multi-platform social content while keeping data and costs under owner control. It supports multi-platform publishing across networks such as X, Threads, Instagram, TikTok,

Dolibarr is an open-source, modular ERP and CRM web application. It provides core business workflows for sales, invoicing, inventory, projects and basic accounting. One-sentence value: Dolibarr is a cost-aware, self-managed solution for governed analytics teams that need core workflows and extensibility without heavy vendor lock-in. It suits freelancers, small teams,

Documenso is an open-source, API-first electronic signature and document workflow platform that you can run on your own infrastructure. It provides REST APIs, a browser-based admin and signer UI, templates, audit trails, webhooks, and deployment artifacts for containerized environments (Docker/Kubernetes). It is aimed at engineering and operations teams who

Actual Budget is a privacy‑focused, open‑source personal budgeting app built around envelope (zero‑based) budgeting. It stores primary data locally, offers an offline‑first client experience across desktop and PWA platforms, and supports optional end‑to‑end encrypted multi‑device sync. This tool is aimed at people who

Odoo is an open‑source, modular ERP and business management suite that combines CRM, sales, accounting, inventory, e‑commerce, website builder and many other apps into one integrated system. It runs on a Python server with a PostgreSQL database and is available in a free Community edition as well as

Paymenter is an open-source, self-hosted billing and subscription management platform designed for hosting companies and similar operators. It provides an admin UI, customer portal, REST API, invoicing, webhook handling, and a marketplace for extensions — all intended to replace custom billing code or a hosted billing SaaS. The tool targets teams

Docuseal is an open-source, self-hostable web platform for building, filling, signing, and automating PDF-based document signing workflows. It packages a WYSIWYG PDF form builder, multi-signer flows, embeddable signing, APIs, webhooks, and an audit trail aimed at replacing commercial eSignature vendors where control and customization matter. It is primarily aimed at

Postiz is an open-source, all-in-one social media management tool that covers scheduling, AI-assisted content creation, design, analytics, and team collaboration. It targets teams that want one place to plan, produce, and publish content across many networks while keeping data ownership options open. For developers and privacy-conscious organizations, Postiz stands out

Plunk (useplunk) is an open-source, self-hostable email platform that unifies transactional, marketing, and broadcast emails. It layers an API, visual editor, automations, contact management, and analytics on top of AWS Simple Email Service (SES) to handle both product-triggered messages and large campaigns. It’s built for engineering-led teams that want

Maybe* (also branded as “Maybe”) is a no-code AI agent platform for building brand-aligned, secure automations that operate across your existing tools. It emphasizes prebuilt integrations, configurable guardrails, and enterprise controls so teams can automate work without standing up heavy custom code. The platform targets product and operations leaders, marketing

OrangeHRM is a human resource management system that centralizes core HR operations—employee records, leave and attendance, recruitment, performance, timesheets, and reporting—into one platform. It is available as a free, open‑source/community edition for self‑hosting and as commercial cloud or on‑prem editions with advanced modules and

Invoice Ninja is an open-source invoicing, billing, and payments platform available as a hosted SaaS or self-hosted deployment. It covers quotes, invoices, recurring billing, time and expense tracking, and online payments through many gateways. The product focuses on making it straightforward to create, send, and collect on professional invoices. It’

Mautic is an open-source marketing automation platform for teams that want to own their data and run multi-channel campaigns on infrastructure they control. It combines campaign automation, contact management, landing pages/forms, and reporting in a self-hostable package. It suits SMBs, agencies, and privacy-conscious organizations with access to DevOps or

BudgE is a web-based personal finance tool designed to help individuals get out of credit card debt efficiently. By analyzing users’ financial situations and connecting them to nonprofit partners, BudgE aims to deliver transparent, personalized debt solutions and advice. Its core focus is supporting people who need reliable debt relief