Top 10 Open-Source Alternatives to Shortwave

Product categories

API Tools APIs Appointments and Scheduling Blockchain Calendar Calendar And Scheduling Cryptocurrencies Developer Tools Email Email Clients Enterprise Communication Productivity

Summary

The top open-source alternatives to Shortwave are Cal.com, Notion, and DevDocs. 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.

Cal.com Landing Page
1

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
2

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
DevDocs Landing Page
3

DevDocs

Open source API documentation browser with instant fuzzy search, offline mode, keyboard shortcuts, and more
Pricing:
- Open Source
#Cryptocurrencies #Software Development #Productivity 123 social mentions
Hoppscotch Landing Page
4

Hoppscotch

Open source API development ecosystem
Pricing:
- Open Source
- Freemium
- Free Trial
#Web App #Productivity #APIs 77 social mentions
RELATE Landing Page
5

REL

RELATE

Relate is an Environment for Learning And TEaching
Pricing:
- Open Source
#LMS #Online Learning #Education
Focus Landing Page
6

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
FairEmail Landing Page
7

FairEmail

Open source, privacy friendly email app
Pricing:
- Open Source
#Email #Email Clients #Calendar 52 social mentions
Spark Mail Landing Page
8

Spark Mail

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
Pricing:
- Open Source
#Email #Email Clients #Calendar 30 social mentions
Mailspring Landing Page
9

Mailspring

Mailspring is a mail client for Mac, Windows and Linux.
Pricing:
- Open Source
#Email #Email Clients #Calendar 25 social mentions
Wavebox Landing Page
10

Wavebox

The powerful productivity browser like no other, multi-account sign-in, tab sleeping, groups & pins
Pricing:
- Open Source
- Freemium
- Free Trial
- $8.32 / Monthly
#Messaging #Enterprise Communication #Productivity 16 social mentions