Popular
Search Engine (60)
Description
AI tools to make research more productive with AI
[Update Oct 2025] 60 Links 
| Website | URL | Category | Pricing | Notes |
|---|---|---|---|---|
| Perplexity | Visit | AI Answer Engine | Freemium | Cited answers; web & academic modes |
| You.com | Visit | AI Search Engine | Freemium | YouChat; AI apps & summaries |
| Andi Search | Visit | Conversational Search | Free | Chat answers with web citations |
| Phind | Visit | Developer AI Search | Freemium | Search + code answers with sources |
| Komo | Visit | AI Search | Free | Ask‑chat, explore, quick results |
| Kagi | Visit | Premium Web Search + AI | Free-Trial | Fast, ad‑free results; Summarizer |
| Brave Search | Visit | Private Search + AI | Free | Summarizer; Goggles & discussions |
| Bing (Copilot) | Visit | Web Search + AI Chat | Freemium | Citations; image & code generation |
| DuckDuckGo | Visit | Private Search | Free | Instant answers; AI summaries (DuckAssist) |
| Arc Search | Visit | Mobile AI Browser Search | Free | “Browse for Me” multi‑page summaries |
| Stract | Visit | Independent Search | Free | No tracking; lightweight results |
| Mojeek | Visit | Index‑based Search | Free | Own index; privacy‑first |
| Qwant | Visit | Private Search | Free | No tracking; Europe‑based |
| Ecosia | Visit | Eco Search | Free | Renewable‑powered; tree planting |
| Swisscows | Visit | Private Family Search | Free | Semantic clusters; no tracking |
| Startpage | Visit | Private Meta‑Search | Free | Google results privately |
| Petal Search | Visit | General Search | Free | Mobile‑first search ecosystem |
| Yahoo Search | Visit | Web Search | Free | News & web results |
| AOL Search | Visit | Web Search | Free | Web, images, video |
| Sourcegraph | Visit | Code Search + AI | Freemium | Global code search; Cody AI |
| Stack Overflow (OverflowAI) | Visit | Dev Q&A + AI | Free | AI search over Q&A and docs |
| Wolfram Alpha | Visit | Computational Answers | Freemium | Math/physics/chemistry reasoning |
| Metaphor | Visit | Neural Search Engine | Freemium | Search by example prompts |
| Kagi Small Web | Visit | Curated Web Search | Free-Trial | Surface small/indie sites with AI |
| Google Scholar | Visit | Scholarly Search | Free | Scholarly articles; citations |
| Semantic Scholar | Visit | Literature Search + AI | Freemium | Summaries; author/topic insights |
| Consensus | Visit | Evidence‑based Answers | Freemium | AI answers from peer‑reviewed papers |
| Elicit | Visit | AI Literature Review | Freemium | Question‑answering over papers |
| SciSpace | Visit | Research Assistant + Search | Freemium | Explain/answer from PDFs & web |
| scite | Visit | Smart Citations Search | Free-Trial | Search and classify citations |
| Connected Papers | Visit | Literature Graph Search | Freemium | Graph‑based paper discovery |
| Litmaps | Visit | Citation Map Search | Freemium | Grow maps from seed papers |
| Inciteful | Visit | Citation Graph Explorer | Free | Bridge papers via network metrics |
| Lens.org | Visit | Scholarly + Patent Search | Freemium | Open discovery across papers/patents |
| Dimensions | Visit | Scholarly Database Search | Free-Trial | Publications, grants, patents |
| OpenAlex | Visit | Open Scholarly Index | Freemium | APIs and search over scholarly data |
| CORE | Visit | Open Access Search | Freemium | OA papers aggregated from repositories |
| Scinapse | Visit | Academic Search | Freemium | Fast search with filters & refs |
| GDELT Project | Visit | Global News DB + Search | Free | Events/mentions; open data & APIs |
| Perigon News | Visit | News Search & AI | Free-Trial | Clustered stories; bias & sources |
| NewsNow | Visit | News Aggregation Search | Free | Topic‑based, near‑real‑time |
| News API | Visit | News Search API | Free-Trial | Query articles across sources |
| Komo News | Visit | AI News Search | Free | Ask news with summaries |
| Lexica | Visit | AI Image/Prompt Search | Freemium | Search images and their prompts |
| KREA | Visit | Style/Prompt Search | Freemium | Live styles, references & prompts |
| OpenArt | Visit | Prompt/Image Search | Freemium | Models, styles, and prompts library |
| Openverse | Visit | Creative Commons Search | Free | Free‑to‑use images/audio (metadata) |
| Everypixel | Visit | Stock Image Meta‑Search | Freemium | AI quality score; multi‑source |
| Pixabay | Visit | Free Image/Video Search | Free | CC0‑like free stock media |
| Keepa (Search) | Visit | Amazon Price Search + AI | Freemium | Historical price charts & alerts |
| CamelCamelCamel | Visit | Amazon Price Search | Free | Track and search price history |
| PriceRunner | Visit | Shopping Search | Free | Compare prices across stores |
| Glean | Visit | Workplace Search + AI | Free-Trial | Ask across company apps; answers |
| Guru | Visit | Knowledge Search + AI | Free-Trial | AI answers over verified cards |
| Elastic AI Search (Site) | Visit | AI Search Demos | Freemium | RAG demos & semantic search |
| Algolia Neural Search | Visit | AI Site Search | Free-Trial | Neural & vector search for sites/apps |
| Azure AI Search | Visit | Cognitive Search | Free-Trial | Vector/RAG search service |
| Google Programmable Search | Visit | Custom Web Search | Freemium | Build your own vertical search |
| Exa (Search API) | Visit | Neural Web Search API | Free-Trial | Search by examples; link relevance |
| Stack Exchange Network | Visit | Topic Q&A Search | Free | Search technical Q&A network |
