Sites & tools
Filter by keyword to narrow the list—everything here is meant to reward repeat visits, not one-off hoarding.
8 matches
Perplexity
Answer-first research with citations—fast context for unknown domains.
AI toolResearchProductivityLeetCode
Interview-style problems with editorials; use sparingly alongside real projects.
Programming practiceAlgorithmsCareerExercism
Mentored tracks across languages—great for habits and readable solutions.
Programming practiceLanguagesMentorshipregex101
Explain and debug regular expressions with step-by-step matchers.
ProductivityDebuggingTextExplainShell
Unpack cryptic shell commands flag-by-flag before you paste them.
ProductivityCLISecurityMDN Web Docs
Authoritative web platform documentation—start here for frontend facts.
ReferenceWeb platformFrontendDeveloper Roadmaps
Orienting maps for roles and stacks—use as a compass, not a checklist.
RoadmapCareerLearning pathObsidian
Local-first notes with graphs; good for personal knowledge bases.
ProductivityNotesPKM