GreenTechStack
Directory of sustainability tech tools and climate solutions
AI app categories
Search & Research
Find it, and see where it came from.
560 tools · updated Oct 1, 2026Search and research tools answer questions with sources instead of just links. This category spans AI search engines, deep-research agents, academic and patent search, and document Q&A over your own files. Citations are the whole product here — if you cannot click through and verify a claim, treat the answer as a draft.
Search & Research apps
560 reviewed tools
Bhagya.ai
AI-powered Vedic astrology platform for birth chart analysis
ubeen.to
AI travel companion that generates city guides and itineraries
PaperXai
AI research co-pilot for summarizing papers and generating citations
Deep Search
AI-powered research platform for exploring complex web questions
Feed The AI
Stay up to date with AI company funding, trends, and adoption
Trialant
Monitor and analyze clinical trial data from clinical trials
SceneTrace
AI powered discovery platform for short drama content
Best JobFinder
AI job search assistant aggregating listings and tailoring resumes
Sourcebrief
Track pricing changes and changelogs automatically
Karmy
Get notified when potential customers ask on Reddit
GenEye
AI search engine for side-by-side model comparisons
Fortuneteller.Today
AI-powered divination and self-reflection platform
Suggest Me Something
Mood-based recommendation tool for movies, shows, and books
AIArion
Free collection of ChatGPT prompts for growth
Revyu.AI
AI-powered travel assistant for finding hotels
JobJump
Job board and career compass for Germany
RealDex
Photograph and identify wild animals to build a personal collection guide
Analyst X
Generate high-level market intelligence reports on any industry or vendor
Lens Go
Transform images into detailed descriptions using computer vision