1. Home
  2. 💼 Business
  3. Extreme Calendar
  4. Similar apps

Best Extreme Calendar alternatives: apps like Extreme Calendar

4+ similar apps compared and reviewed

4.7 avg rating
2 free apps
Updated October 2026
Extreme Calendar
Extreme Calendar
Birdsoft LLC
💼 Business
📊 Productivity

Looking for something like Extreme Calendar? We've analyzed 4+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Extreme Calendar

Notate PDF for Enterprise#1

Notate PDF for Enterprise by Shafer Systems LLC

Expert PDF editing & signing
Editor's Choice
💼 Business
5.0(2 ratings)
Free
Notate PDF for Enterprise screenshot 1
Notate PDF for Enterprise screenshot 2
Notate PDF for Enterprise screenshot 3
Notate PDF for Enterprise screenshot 4
Notate PDF for Enterprise screenshot 5
Notate PDF for Enterprise screenshot 6

This app is an enterprise-grade PDF editor and document collaboration tool. It allows for seamless editing of PDFs and Microsoft Office files, secure team collaboration, and paperless workflows with OCR scanning. Data remains within your corporate network for enhanced security.

Clock In For Work#2

Clock In For Work by H Hubeek

Clock your work times
Strong Contender
💼 Business
4.4(5 ratings)
$2.99
Clock In For Work screenshot 1
Clock In For Work screenshot 2
Clock In For Work screenshot 3

Easily track your work hours for projects. This tool allows for simple administration of your time, including adding holidays and sick days. Export and import your working hours data in CSV format.

  1. Home
  2. 💼 Business
  3. Extreme Calendar
  4. Similar apps