Top 11 Open-Source Alternatives to KosmoTime

Product categories

APIs App Launcher Appointments and Scheduling Calendar And Scheduling Digital Whiteboard Note Taking Productivity Project Management Task Management Time Tracking Todos Work Management

Summary

The top open-source alternatives to KosmoTime are Trello, Cal.com, and Notion. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Trello Landing Page
1

Trello

Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Pricing:
- Freemium
- Free Trial
- $12.5 / Monthly (Per user - Business Class)
#Project Management #Task Management #Productivity 231 social mentions
Cal.com Landing Page
2

Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.
Pricing:
- Open Source
#APIs #Open Source #Calendar And Scheduling 53 social mentions
Notion Landing Page
3

Notion

All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Pricing:
- Open Source
#Productivity #Work Collaboration #Note Taking 438 social mentions
amazingmarvin.com
4

Amazing Marvin

Customizable personal productivity tool
Pricing:
- Open Source
- Paid
- Free Trial
#Project Management #Task Management #Todos 29 social mentions
Focus Landing Page
5

Focus

New Tab page that gives you a moment of calm and inspires you to be more productive.
Pricing:
- Open Source
#Time Tracking #Tool #Productivity 24 social mentions
Hack Club Landing Page
6

Hack Club

Free and open source high school coding clubs 👊💥
Pricing:
- Open Source
#Education #Online Learning #Productivity 32 social mentions
CerebroApp Landing Page
7

CerebroApp

Productivity booster with a brain
Pricing:
- Open Source
#App Launcher #Windows Tools #Mac 4 social mentions
NotePlan Landing Page
8

NotePlan

Make plans inside an individual markdown note for every day in your calendar. Use it as a journal for your daily tasks and plan todos in advance. For Mac, iPhone and iPad.
Pricing:
- Open Source
#Note Taking #Productivity #Todos 29 social mentions
Coverview Landing Page
9

C

Coverview

Creating cover images for your blog is now super easy
Pricing:
- Open Source
#Work Management #Productivity #Note Taking 1 social mentions
WBO Landing Page
10

WBO

Realtime collaborative whiteboard
Pricing:
- Open Source
#Project Management #Office & Productivity #Task Management 4 social mentions
Tasks Landing Page
11

Tasks

The new task app from the team that brought us Wunderlist, Microsoft To-Do is a great way to manage tasks. List everything you need to do—or import tasks from Outlook, Todoist, and Wunderlist so you don't have to start over.
Pricing:
- Open Source
#Task Management #Todos #Project Management