Free learning resources

tool Burp Suite Community Edition Cybersecurity / How to become Cyber Security Expert in 2026 · Web Application Penetration Testing tool Microsoft Sysinternals Suite Cybersecurity / How to become Cyber Security Expert in 2026 · Endpoint Detection and Response tool PingCastle Active Directory security assessment Cybersecurity / How to become Cyber Security Expert in 2026 · Active Directory Security tool Damodaran valuation spreadsheets Finance & Investment / Finance & Investment · Equity Valuation tool Portfolio Visualizer Finance & Investment / Finance & Investment · Rebalancing and ESG tool Damodaran valuation spreadsheets Finance & Investment / Finance & Investment · DCF Model tool Portfolio Visualizer Finance & Investment / Finance & Investment · Portfolio Management tool Damodaran valuation spreadsheets Finance & Investment / Finance & Investment · DCF Model Build tool Portfolio Visualizer Finance & Investment / Finance & Investment · Performance Ratios tool Portfolio Visualizer Finance & Investment / Finance & Investment · Portfolio Manager 300k plus tool Portfolio Visualizer Finance & Investment / Finance & Investment · Modern Portfolio Theory tool Portfolio Visualizer Finance & Investment / Finance & Investment · Asset Allocation tool Damodaran valuation spreadsheets Finance & Investment / Finance & Investment · Financial Modeling tool Compiler Explorer Robotics / Robotics · C++ for Real-Time Systems tool GitHub CLI as a design reference DevOps / DevOps · CLI Tool Design tool Miro free diagramming tool DevOps / DevOps · Value Stream Mapping tool Kiali service mesh observability DevOps / DevOps · K8s Networking & Service Mesh tool AWS IAM Policy Simulator DevOps / DevOps · IAM Fundamentals tool DORA quick check tool DevOps / DevOps · DORA & SPACE Metrics tool Google Looker Studio DevOps / DevOps · Data Pipelines for Ops tool Storybook component documentation tool UI & UX Design / UI & UX Design · Design Systems tool Mixpanel behavioral analytics platform UI & UX Design / UI & UX Design · Advanced Research Techniques tool Type Scale ratio calculator UI & UX Design / UI & UX Design · Font Pairing and Hierarchy tool Balsamiq low-fidelity wireframing tool UI & UX Design / UI & UX Design · Prototyping and Tools tool Hotjar heatmaps and session recording UI & UX Design / UI & UX Design · UX Strategy and Testing tool Optimal Workshop UI & UX Design / UI & UX Design · UX Researcher, $85K to $130K tool LottieFiles animation plugin UI & UX Design / UI & UX Design · Interaction Design tool Amplitude behavioral analytics platform UI & UX Design / UI & UX Design · Advanced Research Techniques tool Zeroheight documentation tool UI & UX Design / UI & UX Design · Design Systems tool Zeroheight UI & UX Design / UI & UX Design · Design Technologist, $120K to $180K tool Zeroheight documentation tool UI & UX Design / UI & UX Design · Documentation and Contribution Models tool UserTesting.com video platform UI & UX Design / UI & UX Design · Moderated vs Unmoderated Testing tool Rive interactive animation tool UI & UX Design / UI & UX Design · Interaction Design tool Maze usability testing platform UI & UX Design / UI & UX Design · UX Strategy and Testing tool Stark accessibility plugin UI & UX Design / UI & UX Design · Accessibility Contrast Ratios tool Coolors palette generator UI & UX Design / UI & UX Design · Color Wheel and Harmonies tool Storybook UI & UX Design / UI & UX Design · Design Technologist, $120K to $180K tool Storybook documentation tool UI & UX Design / UI & UX Design · Documentation and Contribution Models tool Maze usability testing platform UI & UX Design / UI & UX Design · Moderated vs Unmoderated Testing tool Optimal Workshop card sorting and tree testing tools UI & UX Design / UI & UX Design · Information Architecture tool Optimal Workshop card sorting tool UI & UX Design / UI & UX Design · UX Fundamentals tool LottieFiles animation plugin UI & UX Design / UI & UX Design · Micro-interactions and Feedback tool WebAIM contrast checker UI & UX Design / UI & UX Design · Visual Design Principles tool WebAIM contrast checker UI & UX Design / UI & UX Design · Accessibility Contrast Ratios tool Adobe Color wheel tool UI & UX Design / UI & UX Design · Color Wheel and Harmonies tool Storybook documentation tool UI & UX Design / UI & UX Design · Atomic Design Methodology tool Zeplin handoff tool UI & UX Design / UI & UX Design · Developer Handoff tool Mixpanel behavioral analytics platform UI & UX Design / UI & UX Design · HEART Framework and UX Metrics tool Dovetail research repository tool UI & UX Design / UI & UX Design · User Research Methods tool Rive interactive animation tool UI & UX Design / UI & UX Design · Micro-interactions and Feedback tool UserTesting.com video platform UI & UX Design / UI & UX Design · UX Strategy and Testing tool Zeroheight design system documentation tool UI & UX Design / UI & UX Design · Color Systems and Tokens tool Hotjar heatmaps and session recording UI & UX Design / UI & UX Design · Advanced Research Techniques tool Zeroheight tokens documentation guide UI & UX Design / UI & UX Design · Design Tokens Architecture tool Amplitude behavioral analytics platform UI & UX Design / UI & UX Design · HEART Framework and UX Metrics tool Type Scale ratio calculator UI & UX Design / UI & UX Design · Typography tool Balsamiq low-fidelity wireframing tool UI & UX Design / UI & UX Design · Low-Fidelity Sketching tool Optimal Workshop first click testing UI & UX Design / UI & UX Design · UX Strategy and Testing tool Dovetail research repository UI & UX Design / UI & UX Design · UX Researcher, $85K to $130K tool RPA Lite Rocket Propulsion Analysis Space Technology / Space Technology · Chemical Propulsion Fundamentals tool CREME96 cosmic ray effects tool Space Technology / Space Technology · Radiation Effects and Mitigation tool CEARUN Chemical Equilibrium tool Space Technology / Space Technology · Chemical Propulsion Fundamentals tool RPA Lite Rocket Propulsion Analysis free version Space Technology / Space Technology · Propulsion Systems tool CREME96 cosmic ray effects tool Space Technology / Space Technology · Flight Software Engineer, $105K to $190K tool Valispace concurrent design tool Space Technology / Space Technology · Spacecraft Systems Engineering tool CEARUN Chemical Equilibrium tool Space Technology / Space Technology · Propulsion Systems tool CREME96 cosmic ray effects tool Space Technology / Space Technology · Space Environment and Effects tool 6S atmospheric correction model Space Technology / Space Technology · Optical and Infrared Imaging tool OMERE free space environment tool Space Technology / Space Technology · Space Environment and Effects tool Valispace concurrent design tool Space Technology / Space Technology · Mass and Power Budgeting tool SPENVIS ESA space environment tool Space Technology / Space Technology · Space Environment and Effects tool Trivy image scanning tool Kubernetes / Kubernetes · OCI Image Building tool KubeCost resource right sizing Kubernetes / Kubernetes · Deployments and Scheduling tool Velero backup and restore tool Kubernetes / Kubernetes · Storage and Persistence tool Falco runtime security Kubernetes / Kubernetes · Security and Policy tool KubeCost documentation Kubernetes / Kubernetes · Resource Requests and QoS tool RBAC lookup tool rakkess Kubernetes / Kubernetes · RBAC in Practice tool Benchling molecular biology suite Biotechnology / Biotechnology · Cloning Vectors tool PyMOL molecular visualisation Biotechnology / Biotechnology · Molecular Docking tool Samtools and HTSlib Biotechnology / Biotechnology · Off Target Analysis tool SnapGene Viewer Biotechnology / Biotechnology · Seamless Assembly Methods tool SnapGene Viewer Biotechnology / Biotechnology · Restriction Enzymes tool Benchling molecular biology suite Biotechnology / Biotechnology · Transformation and Selection tool Benchling molecular biology suite Biotechnology / Biotechnology · Gene Circuit Design tool SnapGene Viewer Biotechnology / Biotechnology · Cloning Vectors tool PyMOL molecular visualisation Biotechnology / Biotechnology · Homology Modelling tool Samtools and HTSlib Biotechnology / Biotechnology · NGS Pipelines tool Benchling molecular biology suite Biotechnology / Biotechnology · Seamless Assembly Methods tool Benchling molecular biology suite Biotechnology / Biotechnology · Recombinant DNA Technology tool Benchling molecular biology suite Biotechnology / Biotechnology · Synthetic Biology