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Open source alternatives to DoubleTick.io

50 open source Productivity apps to use instead, best rated first.

Top picks

  1. L

    Logseq

    Launch

    Local-first, open-source knowledge management tool with bidirectional linking, outlines, flashcards, PDF annotations, and whiteboards for building a connected second brain.

    Open source

  2. F

    Flowise

    Launch

    Open source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.

    Open source

  3. F

    Formbricks

    Launch

    Collect feedback across websites, apps, and emails with targeted surveys, user segmentation, and GDPR-compliant data handling. Self-host or use the cloud.

    Open source

  4. J

    Jitsi

    Launch

    Learn more about Jitsi, a free open-source video conferencing software for web & mobile. Make a call, launch on your own servers, integrate into your app, and more.

    Open source

  5. M

    Metabase

    Launch

    Open-source business intelligence platform for data exploration, visualization, and sharing. Empowers teams to make data-driven decisions effortlessly.

    Open source

  6. P

    Plane

    Launch

    Plane is an open-source project tracking tool offering issues, cycles (sprints), modules, and customizable views including Kanban boards, lists, and calendars. It features built-in documentation pages, time tracking, and integrations with G

    Open sourceSelf-hosted

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7
S

Signal

Encrypted, secure chat and video calls

Launch
8
M

Mailspring

A beautiful, fast and maintained fork of Nylas Mail

Launch
9
A

Automatisch

Open Source Zapier Alternative

Launch
10
G

Grist

Spreadsheet Software to End Data Chaos

Launch
11
H

Home Assistant

Open source home automation that puts local control and privacy first

Launch
12
K

Karakeep

Save, Organize & Tag with AI

Launch
13
M

Mattermost

Collaboration Platform for Mission Critical Work

Launch
14
M

Medusa

Headless e-commerce platform

Launch
15
N

Nextcloud

Open source content collaboration platform

Launch
16
N

Notesnook

Open source zero knowledge private note taking

Launch
17
O

Odoo

Open Source ERP and CRM

Launch
18
P

Paperless-home

Paperless-home hosts your personal document management system: Paperless

Launch
19
P

Plausible

Simple, privacy-friendly Google Analytics alternative

Launch
20
P

Proton Mail

Free secure email account service provider with built-in end-to-end encryption

Launch
21
R

RustDesk

Open source virtual / remote desktop infrastructure for everyone

Launch
22
S

Saleor

Composable, Open Source, Headless Ecommerce Platform

Launch
23
T

Tuta

Secure email for everybody. Open Source

Launch
24
U

Umami

Privacy-First Analytics Platform

Launch
25
C

changedetection.io

Stay up-to-date with web-site content changes

Launch
26
H

Huginn

Build agents that monitor and act on your behalf

Launch
27
G

GoAccess

Real-time web log analyzer and interactive viewer that runs in a terminal

Launch
28
D

Drone

Self-service CI platform for busy teams

Launch
29
T

Thunderbird

Thunderbird is a free email application that’s easy to set up and customize

Launch
30
K

Kimai

Track work time and print out a summary of your activities on demand

Launch
31
S

Spree Commerce

Spree is a complete, modular & API-driven open source e-commerce solution

Launch
32
G

Glance

Highly customizable dashboard that puts all your feeds in one place

Launch
33
A

Ansible CLI

Automate tasks, streamline workflow, and securely manage IT systems

Launch
34
A

Alacritty

Modern cross-platform terminal emulator

Launch
35
B

Bagisto

Headless e-commerce platform

Launch
36
B

Better Auth

A comprehensive authentication framework offering email/password

Launch
37
E

Element

Secure collaboration and messaging

Launch
38
E

ERPNext

Open-source ERP solution offering modules

Launch
39
G

GitButler

A Git client for simultaneous branches on top of your existing workflow

Launch
40
L

LanguageTool

Open source grammar, style and

Launch
41
M

Matomo

Privacy-first analytics you can trust

Launch
42
M

Memos

Memos is a self-hosted, open-source note-taking app built around a private

Launch
43
O

OpenProject

Project management software

Launch
44
R

Redash

Redash is an open-source data visualization and analytics platform

Launch
45
S

Seafile

Open Source File Sync and Share Software

Launch
46
T

Temporal

Workflows as code platform

Launch
47
T

Twenty

Self-hostable CRM built for technical teams who need a fully customizable

Launch
48
W

Windmill

Code-first orchestration platform for internal software

Launch
49
Z

Zellij

A terminal multiplexer that organizes your workflow

Launch
50
Z

Zotero

FOSS tool to collect, organize, cite, and

Launch

About DoubleTick.io

D

DoubleTick.io

DoubleTick is a phone-based WhatsApp API for B2C & B2B sales

DoubleTick is the #1 WhatsApp Business API platform for sales and support teams. Unified team inbox for multiple WhatsApp numbers, bulk messaging to thousands of contacts, no-code chatbot builder, AI agents, CRM integrations (Salesforce, HubSpot, Zoho), and enterprise governance. Rated 4.8/5 on G2. ISO 27001 certified. Official Meta Technology Partner.

View DoubleTick.ioAll Productivity apps
Category
Productivity
Website
doubletick.io