The LearnIn10 catalog
Find a useful next step.
Explore progressive tracks for practical software skills. Each listing is a plan for a focused session of ten minutes or less, not a published lesson.
All 30 Salesforce Flow lessons, one free-preview JavaScript code lab, and ten PHP plus ten Ruby lessons are ready. Twenty AI-assisted app-building lessons are in owner review; the other 2,979 catalog listings remain planned. Sign in to save progress and quiz results.
Showing 101 of 101 tracks and 0 short-course matches. Fifty-one lessons are available; 20 are in owner review and the remaining 2,979 listings are planned.
10 tracks
Salesforce
Platform development, automation, data, and agent tracks.
30 short lessonsSalesforce Platform Foundations0 available · 0 owner review · 30 Coming SoonA planned path through org structure, metadata, access, and release habits.View track 30 short lessonsApex0 available · 0 owner review · 30 Coming SoonA planned code-first track from Apex syntax to bulk-safe, tested logic.View track 30 short lessonsSalesforce Flow30 available · 0 owner review · 0 Coming SoonA complete 30-lesson course from safe Flow Builder foundations through bulk-safe automation, testing, and release planning.View track 30 short lessonsLightning Web Components0 available · 0 owner review · 30 Coming SoonA planned component track covering templates, events, data, testing, and security.View track 30 short lessonsSOQL and SOSL0 available · 0 owner review · 30 Coming SoonA planned query path through filtering, relationships, search, and safe Apex use.View track 30 short lessonsSalesforce Data Modeling and Access Security0 available · 0 owner review · 30 Coming SoonA planned track for modeling records and checking who can see or change them.View track 30 short lessonsSalesforce APIs and Integrations0 available · 0 owner review · 30 Coming SoonA planned integration path through authentication, requests, limits, and recovery.View track 30 short lessonsSalesforce DX, CLI, and Deployment0 available · 0 owner review · 30 Coming SoonA planned delivery track from project setup through validated deployments.View track 30 short lessonsData Cloud / Data 3600 available · 0 owner review · 30 Coming SoonA planned path through data streams, identity resolution, insights, and governance.View track 30 short lessonsAgentforce and Prompt Builder0 available · 0 owner review · 30 Coming SoonA planned agent track focused on scoped actions, grounding, tests, and guardrails.View track
16 tracks
AI and machine learning
Modeling, API engineering, retrieval, evaluation, and safety.
30 short lessonsMachine Learning Foundations0 available · 0 owner review · 30 Coming SoonA planned foundation in framing tasks, fitting baselines, and checking model quality.View track 30 short lessonsPython for Data Science0 available · 0 owner review · 30 Coming SoonA planned practical path through numerical arrays, tabular data, and quality checks.View track 30 short lessonsscikit-learn0 available · 0 owner review · 30 Coming SoonA planned path through the estimator API, preprocessing, evaluation, and persistence.View track 30 short lessonsPyTorch0 available · 0 owner review · 30 Coming SoonA planned path from tensor operations to repeatable model training and inference.View track 30 short lessonsLLM Application Engineering0 available · 0 owner review · 30 Coming SoonA planned application track for shaping model inputs, outputs, tools, and runtime behavior.View track 30 short lessonsOpenAI API Development0 available · 0 owner review · 30 Coming SoonA planned API path covering secure credentials, responses, tools, streaming, and tests.View track 30 short lessonsPrompt and Context Design0 available · 0 owner review · 30 Coming SoonA planned path to make prompts clearer, versioned, and testable against edge cases.View track 30 short lessonsStructured Outputs and Tool Calling0 available · 0 owner review · 30 Coming SoonA planned contract-design path for structured responses and narrowly scoped tools.View track 30 short lessonsRetrieval-Augmented Generation0 available · 0 owner review · 30 Coming SoonA planned retrieval path from document preparation through citation and quality checks.View track 30 short lessonsEmbeddings and Vector Search0 available · 0 owner review · 30 Coming SoonA planned path through vector representations, retrieval trade-offs, and data lifecycle.View track 30 short lessonsAI Agent Workflows0 available · 0 owner review · 30 Coming SoonA planned workflow track emphasizing narrow tools, explicit limits, and traceable outcomes.View track 30 short lessonsAI Evaluation and Testing0 available · 0 owner review · 30 Coming SoonA planned evaluation path from acceptance criteria through regression review.View track 30 short lessonsAI Safety, Privacy, and Security0 available · 0 owner review · 30 Coming SoonA planned safety path for protecting data, limiting tools, and checking unsafe inputs.View track 30 short lessonsMultimodal Vision0 available · 0 owner review · 30 Coming SoonA planned vision path for safe image handling, grounded interpretation, and evaluation.View track 30 short lessonsSpeech and Realtime AI0 available · 0 owner review · 30 Coming SoonA planned speech path through audio modes, streaming events, turn-taking, and latency.View track 30 short lessonsAI-Assisted App Building0 available · 20 owner review · 10 Coming SoonA review-only, step-by-step path for using Claude Code safely while building a small React and TypeScript recipe app.View track
10 tracks
Programming languages
Language-specific sequences from fundamentals to advanced work.
30 short lessonsC#0 available · 0 owner review · 30 Coming SoonA planned C# sequence spanning fundamentals, composition, nullable types, testing, and runtime features.View track 30 short lessonsPython0 available · 0 owner review · 30 Coming SoonA planned Python sequence spanning values, functions, collections, exceptions, classes, and generators.View track 30 short lessonsJavaScript1 available · 0 owner review · 29 Coming SoonA progressive JavaScript sequence with one free-preview array exercise; the other 29 listings are planned.View track 30 short lessonsTypeScript0 available · 0 owner review · 30 Coming SoonA planned TypeScript sequence from annotations to reusable, strongly checked contracts.View track 30 short lessonsJava0 available · 0 owner review · 30 Coming SoonA planned Java sequence covering types, object design, generics, streams, and concurrency.View track 30 short lessonsGo0 available · 0 owner review · 30 Coming SoonA planned Go sequence through small services, idiomatic errors, goroutines, and tests.View track 30 short lessonsRust0 available · 0 owner review · 30 Coming SoonA planned Rust sequence from ownership fundamentals through abstractions and concurrency.View track 30 short lessonsC++0 available · 0 owner review · 30 Coming SoonA planned C++ sequence spanning value semantics, standard containers, RAII, and moves.View track 30 short lessonsPHP10 available · 0 owner review · 20 Coming SoonA progressive PHP sequence from core language features through package use and tests. Ten lessons are published; twenty remain Coming Soon.View track 30 short lessonsRuby10 available · 0 owner review · 20 Coming SoonA progressive Ruby sequence through expressive syntax, reusable behavior, gems, and tests. Ten lessons are published; twenty remain Coming Soon.View track
10 tracks
Frontend and browser
Web standards, frameworks, browser APIs, and accessibility.
30 short lessonsHTML and Semantic Web0 available · 0 owner review · 30 Coming SoonA planned web foundations track for meaningful markup, forms, media, and validation.View track 30 short lessonsCSS and Responsive Layout0 available · 0 owner review · 30 Coming SoonA planned CSS sequence through the cascade, layout, breakpoints, themes, and motion preferences.View track 30 short lessonsAngular0 available · 0 owner review · 30 Coming SoonA planned Angular path through current framework concepts and production checks.View track 30 short lessonsReact0 available · 0 owner review · 30 Coming SoonA planned React path from component fundamentals through accessible and efficient interactions.View track 30 short lessonsVue0 available · 0 owner review · 30 Coming SoonA planned Vue path through reactive state, component contracts, tests, and accessibility.View track 30 short lessonsSvelte0 available · 0 owner review · 30 Coming SoonA planned Svelte path through component state, shared stores, routing, and tests.View track 30 short lessonsNext.js App Router0 available · 0 owner review · 30 Coming SoonA planned Next.js path covering route structure, server boundaries, and production behavior.View track 30 short lessonsWeb Components0 available · 0 owner review · 30 Coming SoonA planned browser-component path through encapsulation, events, composition, and tests.View track 30 short lessonsBrowser APIs0 available · 0 owner review · 30 Coming SoonA planned browser API path covering feature detection, lifecycle, storage, and permissions.View track 30 short lessonsWeb Accessibility0 available · 0 owner review · 30 Coming SoonA planned accessibility path through semantics, interaction, readable feedback, and checks.View track
10 tracks
Backend and APIs
Application frameworks, API contracts, and realtime services.
30 short lessons.NET and ASP.NET Core0 available · 0 owner review · 30 Coming SoonA planned .NET path through application setup, HTTP endpoints, diagnostics, and deployment.View track 30 short lessonsNode.js0 available · 0 owner review · 30 Coming SoonA planned Node.js path from modules and HTTP through streams, tests, and shutdown.View track 30 short lessonsSpring Boot0 available · 0 owner review · 30 Coming SoonA planned Spring Boot path through layered services, validation, tests, and health checks.View track 30 short lessonsDjango0 available · 0 owner review · 30 Coming SoonA planned Django path from URL routing to data access, tests, and deployment.View track 30 short lessonsFastAPI0 available · 0 owner review · 30 Coming SoonA planned FastAPI path through request contracts, async behavior, tests, and lifespan.View track 30 short lessonsLaravel0 available · 0 owner review · 30 Coming SoonA planned Laravel path through validation, persistence, background jobs, and release.View track 30 short lessonsREST API Design0 available · 0 owner review · 30 Coming SoonA planned REST path for predictable resource APIs and safe client-server boundaries.View track 30 short lessonsGraphQL0 available · 0 owner review · 30 Coming SoonA planned GraphQL path through schema design, resolver scope, pagination, and tests.View track 30 short lessonsgRPC0 available · 0 owner review · 30 Coming SoonA planned gRPC path through protobuf contracts, failure behavior, and validation.View track 30 short lessonsRealtime WebSockets0 available · 0 owner review · 30 Coming SoonA planned realtime path through authenticated connections, delivery, and recovery.View track
10 tracks
Databases and SQL
SQL dialects, data modeling, indexes, and concurrency.
30 short lessonsSQL Foundations0 available · 0 owner review · 30 Coming SoonA planned SQL path from SELECT statements through joins, updates, and transactions.View track 30 short lessonsSQL Server and T-SQL0 available · 0 owner review · 30 Coming SoonA planned SQL Server path that keeps T-SQL distinct from other SQL dialects.View track 30 short lessonsPostgreSQL0 available · 0 owner review · 30 Coming SoonA planned PostgreSQL path through SQL, JSONB, plans, roles, and safe recovery.View track 30 short lessonsMySQL0 available · 0 owner review · 30 Coming SoonA planned MySQL path through queries, constraints, indexes, privileges, and recovery.View track 30 short lessonsSQLite0 available · 0 owner review · 30 Coming SoonA planned SQLite path through SQL, transactions, prepared statements, and integrity.View track 30 short lessonsMongoDB0 available · 0 owner review · 30 Coming SoonA planned MongoDB path through document queries, pipelines, validation, and access control.View track 30 short lessonsRedis0 available · 0 owner review · 30 Coming SoonA planned Redis path through data structures, streams, ACLs, and operational limits.View track 30 short lessonsRelational Modeling and Normalization0 available · 0 owner review · 30 Coming SoonA planned data-modeling path through keys, normal forms, constraints, and trade-offs.View track 30 short lessonsQuery Tuning and Indexing0 available · 0 owner review · 30 Coming SoonA planned performance path that measures queries before and after changes.View track 30 short lessonsTransactions and Concurrency0 available · 0 owner review · 30 Coming SoonA planned data reliability path through isolation, deadlocks, and safe retries.View track
10 tracks
Cloud and delivery
Infrastructure, release workflows, and reliability.
30 short lessonsCloud-Native Foundations0 available · 0 owner review · 30 Coming SoonA planned cross-cloud foundation in identity, networking, recovery, and trade-offs.View track 30 short lessonsMicrosoft Azure0 available · 0 owner review · 30 Coming SoonA planned Azure path through subscription scope, managed identity, and architecture review.View track 30 short lessonsAWS0 available · 0 owner review · 30 Coming SoonA planned AWS path through least privilege, resilience, monitoring, and cost review.View track 30 short lessonsGoogle Cloud0 available · 0 owner review · 30 Coming SoonA planned Google Cloud path through scoped identity, service choices, and review.View track 30 short lessonsDocker0 available · 0 owner review · 30 Coming SoonA planned container path through repeatable images, health, and safer defaults.View track 30 short lessonsKubernetes0 available · 0 owner review · 30 Coming SoonA planned Kubernetes path through deployments, probes, access, and release safety.View track 30 short lessonsTerraform and Infrastructure as Code0 available · 0 owner review · 30 Coming SoonA planned Terraform path that reviews changes before applying infrastructure state.View track 30 short lessonsCI/CD0 available · 0 owner review · 30 Coming SoonA planned delivery path through repeatable builds, tests, promotion, and rollback.View track 30 short lessonsServerless0 available · 0 owner review · 30 Coming SoonA planned serverless path through function boundaries, duplicate events, and monitoring.View track 30 short lessonsObservability and Site Reliability Engineering0 available · 0 owner review · 30 Coming SoonA planned reliability path from useful signals to actionable incident follow-up.View track
10 tracks
Testing and security
Verification, application security, privacy, and supply chains.
30 short lessonsSoftware Testing Foundations0 available · 0 owner review · 30 Coming SoonA planned foundation in choosing test boundaries and making failures useful.View track 30 short lessonsUnit and Integration Testing0 available · 0 owner review · 30 Coming SoonA planned test path through isolated logic, real boundaries, and failure cases.View track 30 short lessonsEnd-to-End Testing with Playwright0 available · 0 owner review · 30 Coming SoonA planned Playwright path through browser context, real journeys, and trace review.View track 30 short lessonsPerformance and Load Testing0 available · 0 owner review · 30 Coming SoonA planned performance path from workload assumptions to measured recommendations.View track 30 short lessonsSecure Coding and Application Security0 available · 0 owner review · 30 Coming SoonA planned secure coding path for validating inputs, protecting secrets, and testing controls.View track 30 short lessonsOWASP Web Security0 available · 0 owner review · 30 Coming SoonA planned web security path grounded in current OWASP guidance and testable controls.View track 30 short lessonsAuthentication, Authorization, OAuth, and OIDC0 available · 0 owner review · 30 Coming SoonA planned security path through identity protocols and server-enforced access checks.View track 30 short lessonsThreat Modeling0 available · 0 owner review · 30 Coming SoonA planned threat modeling path from system diagrams to owned mitigations.View track 30 short lessonsPrivacy and Personal-Data Protection0 available · 0 owner review · 30 Coming SoonA planned privacy path through data inventories, lifecycle controls, and evidence.View track 30 short lessonsSoftware Supply-Chain Security0 available · 0 owner review · 30 Coming SoonA planned supply-chain path through inventories, attestations, signing, and response.View track
10 tracks
Developer practice and architecture
Tools, algorithms, design, and distributed systems.
30 short lessonsGit and GitHub0 available · 0 owner review · 30 Coming SoonA planned Git path through small commits, collaboration, and safe recovery.View track 30 short lessonsLinux0 available · 0 owner review · 30 Coming SoonA planned Linux path through everyday system inspection and safe operations.View track 30 short lessonsBash0 available · 0 owner review · 30 Coming SoonA planned Bash path through safe automation, cleanup, and fixture-based checks.View track 30 short lessonsPowerShell0 available · 0 owner review · 30 Coming SoonA planned PowerShell path through cross-platform scripting and tested automation.View track 30 short lessonsIDE Debugging and Profiling0 available · 0 owner review · 30 Coming SoonA planned debugging path from a minimal reproduction to verified fixes.View track 30 short lessonsAlgorithms0 available · 0 owner review · 30 Coming SoonA planned algorithms path through search, sorting, recursion, and complexity checks.View track 30 short lessonsData Structures0 available · 0 owner review · 30 Coming SoonA planned data-structures path through core containers and their operating costs.View track 30 short lessonsSoftware Architecture and Design Patterns0 available · 0 owner review · 30 Coming SoonA planned architecture path for making responsibilities and change boundaries explicit.View track 30 short lessonsSystem Design0 available · 0 owner review · 30 Coming SoonA planned system design path from requirements to evidence-backed trade-offs.View track 30 short lessonsDistributed Systems and Concurrency0 available · 0 owner review · 30 Coming SoonA planned distributed systems path through failure assumptions and consistency checks.View track
5 tracks
Mobile and data engineering
Mobile platforms and streaming data systems.
30 short lessonsiOS with Swift0 available · 0 owner review · 30 Coming SoonA planned iOS path through app state, platform APIs, testing, and delivery.View track 30 short lessonsAndroid with Kotlin0 available · 0 owner review · 30 Coming SoonA planned Android path through app state, permissions, testing, and delivery.View track 30 short lessonsFlutter0 available · 0 owner review · 30 Coming SoonA planned Flutter path through app structure, state, testing, and deployment.View track 30 short lessonsReact Native0 available · 0 owner review · 30 Coming SoonA planned React Native path through platform components, permissions, and testing.View track 30 short lessonsData Engineering and Streaming0 available · 0 owner review · 30 Coming SoonA planned data engineering path through batch, streaming, backfills, and lineage.View track