Class Central

Rankings
Career Certificates

Subjects

View all

Technology
Business
Creative
STEM
Health & Wellness
People & Society
Personal Growth & Lifestyle

View all Subjects

Universities
The Report

Courses from 1000+ universities

Rankings

Best Courses

Best of All Time
Best of the Year

Most Popular Courses

Most Popular of All Time
Most Popular of the Year

Career Certificates

Generative AI
UX Design
Data Science
Finance
DevOps
Project Management
View all Career Certificates

Technology

Computer Science
Artificial Intelligence
Data Science
Web Development
Programming
Databases
IT & Networking
DevOps
UX/UI Design
Blockchain & Cryptocurrency
Extended Reality (XR)
Generative AI
Cloud Computing
Cybersecurity
Game Development
Product Management
View all Technology

Business

Management & Leadership
Finance
Entrepreneurship
Marketing
Strategic Management
Project Management
Sales
Business Software
Real Estate
Professional Development
Accounting
Supply Chain Management
Business Strategy
Human Resources
View all Business

Creative

Music
Digital Media
Visual Arts
Design
Crafts
Performing Arts
AI Art
View all Creative

STEM

Mathematics
Engineering
Science
Statistics & Probability
Chemistry
Physics
Environmental Science
Astronomy
Biology
Agriculture
View all STEM

Health & Wellness

Disease & Disorders
Public Health
Health Care
Nursing
Mental Health
Continuing Medical Education (CME)
Medicine
Wellness
Nutrition
View all Health & Wellness

People & Society

Humanities
Education & Teaching
Social Sciences
History
Literature
Sociology
Economics
Psychology
Anthropology
Political Science
Law
Language Learning
Writing
Philosophy
Religion
View all People & Society

Personal Growth & Lifestyle

Personal Development
Sports & Recreation
Personal Finance
Parenting & Family
Food & Drink
Self-Defense & Martial Arts
Gardening
Productivity & Time Management
Games
Study Skills
Travel
Pets & Pet Care
Beauty & Makeup
Home & Living
Critical Thinking
View all Personal Growth & Lifestyle

Chasing 100M Daily Users, Duolingo Reconsiders Ads, Paying Influencers, and Its Most Expensive Plan

AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.

Dhawal Shah Sep 03, 2026

Latest

[2026] 17% of Coursera Courses Have Peer Reviews: Here Are the Best
7 Best Online First Aid Courses and Sites for 2026: CPR, AED, and Emergency Response
7 Best Node.js Courses in 2026: Build APIs in JavaScript
12 Best Data Analysis Courses for 2026: From Data to Insights
Coursera’s Hidden Free-Access Courses (and What’s Actually Free About Them)

Write for The Report

Visit The Report

600 Free Google Certifications
Trending

Most common

Popular subjects

Artificial Intelligence
17,507 courses
Data Science
11,440 courses
Cybersecurity
14,270 courses

Popular courses

L'Italiano nel mondo
University of Naples Federico II
Introduction to HTML5
University of Michigan
Umano Digitale
University of Urbino

Organize and share your learning with Class Central Lists.

View our Lists Showcase

Sign up

Log in or Sign up

Log in
Sign up

Institutions
Datamine Software

Free Online

Datamine Software Courses

114 courses

Showing 114 courses

Sort by Relevancy

Filter by

Filters

1. Free course (114)
Level
1. Beginner (7)
2. Intermediate (58)
3. Advanced (49)
Duration
1. < 30 mins (69)
2. 30 - 60 mins (45)
Subject
1. STEM (83)
2. Technology (16)
3. Business (11)
Language
1. English (110)
2. Portuguese (1)
3. Spanish (3)

Mine Reconciliation Standardisation - R Factor Series: A Case Study from Torex Gold Mine, Mexico
2 ratings

Explore mine reconciliation standardization through R Factor Series, featuring a case study from Torex Gold Mine in Mexico. Gain insights into effective reconciliation practices in mining operations.
- YouTube
- 21 minutes
- Self-Paced
- Free Video
Optimizing a Coal Mine with Minemax - Strategic Planning and Decision-Making
2 ratings

Explore coal mine optimization strategies using Minemax software. Learn about reserve creation, pit capacity, cost analysis, decision-making, and scenario settings for effective mine planning and financial analysis.
- YouTube
- 28 minutes
- Self-Paced
- Free Video
Enhancing Gold Mine Efficiency and Safety Through Implementation of Onsite PhotonAssay™
2 ratings

Discover how PhotonAssay™ technology revolutionizes gold mining operations by improving efficiency and safety through innovative onsite analytical solutions.
- YouTube
- 26 minutes
- Self-Paced
- Free Video
Conquering Exploration Errors for Accurate Resource Estimation
1 rating

Discover strategies to overcome exploration errors and enhance resource estimation accuracy. Learn from an expert geologist's insights on improving mineral exploration techniques.
- YouTube
- 28 minutes
- Self-Paced
- Free Video
Strategic Open Pit Mine Planning Using Studio NPVS - Webinar 3
1 rating

Optimize open pit mine planning with Studio NPVS, integrating design and scheduling for maximum NPV. Explore data prep, pit optimization, pushback generation, and more.
- YouTube
- 18 minutes
- Self-Paced
- Free Video
Creating a Short-term Plan with Mining Blocks
1 rating

Master short-term mining planning with MineScape's integrated SRP toolset to generate excavation designs, create 3D mining blocks, and calculate reserves efficiently.
- YouTube
- 22 minutes
- Self-Paced
- Free Video
The Future of Compliance: Streamlining JORC Reporting and Reconciliation in Mining
1 rating

Discover how to streamline JORC reporting, enhance reconciliation workflows, and improve efficiency in mining compliance with insights from a 25-year industry expert.
- YouTube
- 36 minutes
- Self-Paced
- Free Video
ICP Tips and Tricks: Maximizing Performance and Minimizing Downtime
1 rating

Maximize ICP performance and minimize downtime with expert tips and tricks. Learn about innovative sample introduction components and techniques for improved efficiency in laboratory operations.
- YouTube
- 31 minutes
- Self-Paced
- Free Video
Industry Standards in Mineral Resource Estimation

Discover current industry standards and best practices for mineral resource estimation through expert insights on methodologies, challenges, and innovations across multiple commodities.
- YouTube
- 29 minutes
- Self-Paced
- Free Video
Mine Planning Case Studies in Emission Reduction and Geometallurgical Solutions

Discover practical case studies in mine planning optimization, focusing on emission reduction strategies and geometallurgical solutions for enhanced operational efficiency and sustainability.
- YouTube
- 31 minutes
- Self-Paced
- Free Video
Optimising Overburden Contacts Using Pit Optimisation Techniques

Discover advanced pit optimization techniques for overburden contacts, exploring strategic mine planning approaches across diverse commodities with expert insights from industry experience.
- YouTube
- 25 minutes
- Self-Paced
- Free Video
Improve Confidence in Open Pit Production Targets by Integrating SimMine with Datamine Designs

Discover how integrating Simmine with Datamine designs enhances open pit production forecasting accuracy through simulation modeling and data-driven validation techniques.
- YouTube
- 10 minutes
- Self-Paced
- Free Video
Laboratory Accreditations and LIMS

Explore laboratory accreditations and LIMS with insights from an experienced analytical chemist, focusing on quality systems and computerization in mineral analysis laboratories.
- YouTube
- 28 minutes
- Self-Paced
- Free Video
Fit for Purpose Lab Analysis - Not Perfect, Just the Right Fit

Explore fit-for-purpose lab analysis with Graeme Farrant, focusing on optimizing geochemistry laboratories for practical, efficient results across diverse commodities and environments.
- YouTube
- 32 minutes
- Self-Paced
- Free Video
High Speed Drafting and Reporting - Aegis Part 3

Create reusable Aegis reporting templates for underground drill and charge plans, with images and reporting-window functions.
- YouTube
- 21 minutes
- Self-Paced
- Free Video

Career Certificates

Generative AI
UX Design
Data Science
Finance
DevOps
Project Management
All Subjects

Coursera
Udemy
Noble Desktop
Simplilearn
CodeSignal
Boot.dev
All Universities

The Report by Class Central RSS Feed

Series Finale of Online Education
Udemy Earns More, Pays Less
Duolingo's 2026 Strategy
1000s of Free Certificates
Best Courses Guides
Best of All Time
Most Popular of All Time

About Class Central

Class Central aggregates courses from many providers to help you find the best courses on almost any subject, wherever they exist.

Facebook
Twitter
LinkedIn
YouTube
Bluesky

Class Central © 2011-2026 Privacy Policy

About Us
Join Us
Write for Us
Help Center
Contact Us

Share

Facebook
Twitter
Bluesky
Email

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Sign up for free

Someone learning on their laptop while sitting on the floor.