Perplexity

Free browser-based 80-question self-assessment for adults exploring possible autistic traits. It provides structured questions, clear informational results, and guidance while explaining that screening is not a medical diagnosis.

Creator Probe is a research tool designed to help content creators identify opportunities on YouTube, including videos, Shorts, live streams, and channel growth. Users can search YouTube channels to analyze performance and discover trends. The platform supports functions such as Shorts trend board queries, longform and live trend board queries, channel growth discovery, and similar-channel queries. It also provides tools for managing research workflows, including favorites, query history, tags, notes, and advanced filters. These features are intended for individual creators, active content teams, and multi-niche research pools looking to validate topics, perform daily scanning, and conduct competitor analysis.

Math AI explains typed equations, word problems and uploaded math photos step by step. Browser-based solver and tutor modes cover algebra, geometry, calculus and statistics. Limited free credits are available with optional paid plans. Learners should verify AI-generated results against course material.