Self-hosted projects tagged “Email”

OpenTrashmail is a standalone disposable email (“trashmail”) service with its own SMTP server, offering a web UI plus JSON API, RSS feeds, and webhooks for received mail.

Apache-2.0Slowing down

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Mailinator+3

Open-source multi-channel notification service with REST API, management UI, templates and channel abstraction for email, web, push and SMS; built with ASP.NET Core and React.

MITActively maintained

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OneSignal+5

AGPL-3.0 open-source email API for developers that can be self-hosted; supports SMTP sending, webhooks, DNS automation, observability, multi-tenancy, and project isolation.

AGPL-3.0Actively maintained

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Amazon Simple Email Service (Amazon SES)+11

Self-hosted web app to generate, manage and distribute mTLS client and server certificates with OIDC auth, email alerts and a REST API.

GPL-3.0Actively maintained

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Venafi TLS Protect+5

phpList is an open source email marketing manager for newsletters and campaigns, with subscriber management, segmentation, scheduling, bounce handling, and analytics.

AGPL-3.0Actively maintained

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Mailchimp+14

DavMail is a Java gateway that lets standard clients use IMAP/POP/SMTP, CalDAV, CardDAV, and LDAP with Microsoft Exchange and Microsoft 365 via OWA/EWS.

GPL-2.0Actively maintained

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Proton Mail Bridge

A self-hosted service that monitors changes on web pages and notifies you via email or messaging apps using YAML configurations.

MITActively maintained

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Visualping+7

Django-CRM is a Django-based open-source CRM providing contact & lead management, deal tracking, email marketing, task/project management, and built-in analytics.

AGPL-3.0Actively maintained

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HubSpot+19

Self-hosted subscription manager to track recurring expenses, send email/push/webhook reminders, and view reports with multi-currency and timezone support.

Slowing down

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Rocket Money+3

Self-hosted database backup manager with scheduling, S3-compatible storage, multi-database support, diff viewer and restore capabilities.

MITActively maintained

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Veeam Backup & Replication+9

Open-source PHP membership and user management system for clubs, associations and organizations with roles, events, media, documents and exports.

GPL-2.0Actively maintained

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WildApricot+14

Track subscriptions, visualize spending, get renewal reminders and export data. Built with Go, HTMX, SQLite and Docker for easy self-hosted deployment.

AGPL-3.0Actively maintained

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Rocket Money+3

Command-line utility to monitor RSS/Atom feeds and email new items to one or more addresses, configurable via XDG-style config and data files.

GPL-2.0Slowing down

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Blogtrottr+3

Monitor domain names via RDAP, track full lifecycle history, receive alerts, and automatically attempt domain registration when domains enter deletion or become available.

AGPL-3.0Actively maintained

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Domain-Monitor+4

Feedpushr is a Go-based feed aggregator with an embedded database, REST API, web UI, OPML import/export, pluggable filters and outputs, and push delivery options.

GPL-3.0Slowing down

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Inoreader+11

Scalable email archiving solution with tamper-evident retention, full-text search, legal hold, deduplication and access controls for compliance.

Actively maintained

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MailStore Server+1

Open-source web-based ticketing system for customer support and IT service management with automation, knowledgebase, and CMDB extension.

GPL-3.0Actively maintained

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Zendesk+19

Open-source mailing list manager for automating subscriptions, moderation, archives and message distribution with web, CLI and SOAP interfaces for large lists.

GPL-2.0Actively maintained

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Groups.io

Open-source, browser-based groupware providing calendar, email, file manager, CRM, projects, Collabora Online integration and SSO support.

Actively maintained

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Microsoft Exchange Online+19

Open-source Kanban board and task management app built with ASP.NET Core Blazor. Supports projects, boards, cards, subtasks, time-tracking, attachments, reminders and Trello import.

MITActively maintained

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Trello+19

PHP-based groupware and CRM for teams: calendars, contacts, email, file management, projects and CRM with CalDAV/CardDAV/IMAP support and extensible modules.

AGPL-3.0Actively maintained

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Microsoft Exchange Online+15

Bluecherry is an open-source Linux video surveillance DVR for IP cameras, offering web-based live view, desktop and mobile clients, Docker deployment, notifications, and role-based access.

GPL-2.0Slowing down

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AXIS Camera Station+10

Manage gift ideas, avoid duplicate purchases, coordinate Secret Santa, track bought gifts, support multiple families with admin dashboard and OIDC authentication.

MITActively maintained

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Giftster+1

Ackify provides Ed25519-based proof-of-read for documents with immutable audit trails, OAuth2/MagicLink authentication, embeddable widgets and an admin dashboard.

AGPL-3.0Actively maintained

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Docusign+15

Edalitics is a metadata-driven analytics and dashboard platform (TypeScript/Node.js/Angular) offering no-code dashboards, advanced SQL mode, KPIs, email alerts and RLS.

AGPL-3.0Actively maintained

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Looker+19

Self-hosted app that scans an IMAP mailbox and exposes each configured sender's newsletters as RSS feeds. Deployable via Docker Compose with a web UI.

MITActively maintained

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Kill the Newsletter!+3

Node.js web app to track medication inventory, send SMTP reminders, and generate travel medication lists. Runs with SQLite and supports Docker deployment.

GPL-3.0Likely dormant

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Baby Tracker+2

Host group fitness competitions with manual or Strava-imported workouts, customizable goals, leaderboards, streaks and scheduled email reports.

Actively maintained

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Strava+5

Amurex is an open-source AI copilot that unifies knowledge search across Notion, Drive and Obsidian, automates meetings, and triages email.

AGPL-3.0Slowing down

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Glean+5

A self-hosted web app for couples to upload photos/videos, create galleries, track moments on a timeline, set countdowns, playlists, and receive event notifications.

AGPL-3.0Actively maintained

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Tinybeans+14