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Ads are clearly labeledLearn how top Fiverr sellers rank gigs, attract high-value buyers, use strategic pricing and upsells, and turn one-time buyers into long-term clients to build a high-income, fully remote freelancing business on Fiverr.
Ultimate Guide to Crafting AI Agents with Persistent Memory
Learn to design and build AI agents with persistent, context-aware memory using both from-scratch implementations and frameworks like LangMem, Mem0, and Supabase, progressing from fundamentals to real-world projects such as customer support and health coach agents.
ACE Health Coach Professional Certificate
Build a meaningful career in health coaching and help people achieve goals and improve their health through exercise, nutrition, and behavior change in this beginner-level 6-course professional certificate from the American Council on Exercise.
Business Analytics with Power BI
Master data fundamentals applicable to any industry and learn to make data-driven decisions using Excel, SQL, and Power BI. Collect, analyze, and visualize data, model business scenarios, and use data visualization to communicate findings and drive decisions.
Managing Freelancing Projects
Prepare to manage freelancing projects effectively. This beginner-friendly course covers sourcing clients, contracts, project planning, communication, and payment, equipping you to thrive as a freelancer or project manager.
Microsoft Excel Certification Training
This online course prepares you for the Microsoft Office Specialist Excel Expert certification exam. You will learn to create and format worksheets, use advanced formulas, work with lists, charts, PivotTables, macros, and collaboration tools to analyze and present data efficiently.
Online Excel Training
Organized, progression-based online Excel training from Excel University, including Courses (CPE-eligible) and an all-access Campus Pass subscription with live office hours, student community, and gamified learning for faster, more accurate work in Excel.
Excel Crash Course: Grow Better with Microsoft Excel Skills
Learn how to import, clean, and manage large data sets in HubSpot Academy’s Excel Crash Course. Explore data analysis essentials such as table creation, data filtering, and pivot tables, and create charts and graphs for effective data visualization and storytelling.
Relief System Design Training Course
Three-day relief system design course (in-person or online) covering API/ASME standards, overpressure protection, device selection and sizing, scenario identification, flare/atmospheric disposal, and OSHA PSM-compliant documentation, with hands-on workshops and CEU/PDH credits.
Integrated Grounding System Design and Testing
Comprehensive coverage of grounding system design for safety and lightning shielding, including soil characterization, modeling, data preparation, and practical design procedures. Learners analyze ground potential rise, touch and step voltages, and impacts on nearby structures using the WinIGS program to design effective substation lightning shielding systems.
EPOL 472: Instructional and Training System Design
Provides instruction and practice in selecting, organizing, and preparing content for instructional programs in business and technical settings, offering a theoretical orientation to instructional design and hands-on experience developing instructional materials.
Systems Engineering
This course introduces Systems Engineering principles across the lifecycle of complex systems, covering system design, architecture, requirements analysis, modeling, verification, lifecycle models (Waterfall, V-Model, Spiral, Agile), SysML, risk management, trade-off analysis, and a Smart Home Security System project.
Certificate in Systems Analysis and Design (CSAD)
No description available.
System Design for Beginners
A free beginner-friendly video course from freeCodeCamp, listed on Class Central, introducing core concepts and practices of system design for software engineers and developers.
System Design & Integration - 645.768
Addresses systems engineering objectives, responsibilities, and activities during demonstration and validation and engineering and manufacturing development phases. Covers system specifications, systems engineering management plans, risk management, development models, customer integration, design disciplines, and uses a system problem scenario to illustrate principles and product design issues.
Design Systems 101
A hands-on, 72‑module, 10+ hour course that gets you started on everything you need to know to get a design system’s design and code up and running.
System Design Course (HLD + LLD): Become a Solid Backend Engineer & Crack Interviews with Confidence
Animated, English system design course for backend engineers covering HLD, LLD, databases, caching, networking, load balancing, CAP, sharding, design patterns, and 30+ real-world case studies, with quizzes and interview-focused Q&A to help crack backend/system design interviews.
Product Management Interview Prep
Land your dream product manager role at top tech companies. Learn from mock interviews, frameworks, and senior candidate advice to ace product strategy, analytics, design, execution, and behavioral interviews.
Codédex Course Catalog
Start your coding journey with 200+ hours of interactive programming exercises paired with real-world projects. Explore for free!
Learn DSA Through Visualizations
A visual guide to the most important algorithm patterns and approaches for the coding interview, using interactive visualizations across topics like two pointers, sliding window, intervals, stacks, graphs, dynamic programming, and more.
Algorithms and Data Structures - Part 1
No description available.
JavaScript Algorithms and Data Structures
Free JavaScript course from freeCodeCamp covering algorithms and data structures, listed on Class Central.
CIS 2207 Data Structures & Algorithms
This course covers data structures using the C++ Programming Language. Topics include data abstraction, encapsulation, information hiding, recursion, searching and sorting algorithms, and creation and manipulation of lists, queues, tables, trees, heaps, and graphs.
Legacy JavaScript Algorithms and Data Structures V8
Legacy freeCodeCamp certification covering JavaScript fundamentals, DOM manipulation, OOP, functional programming, algorithmic thinking, localStorage, and working with APIs through interactive projects and certification challenges.
Learning Simple Data Structures in JavaScript
Dive into JavaScript's sea of data structures including arrays and objects. Develop a knack for managing varying data sizes and complexities with no hesitations.