Osum 每月有 14,160 次造訪，月增率 -20.4%，定價模式為免費試用、付費。Rayyan 每月有 1,116,437 次造訪，成長率 +7.9%，定價模式為免費增值。
Rayyan is an AI-assisted systematic review platform that helps research teams import, deduplicate, screen, extract data from, and report on literature across the full evidence synthesis workflow.
為任何產品或企業秒速生成 AI 市場研究報告
輸入任意產品或企業網址，幾乎瞬間取得結構化市場研究報告，不必再花數週手動整理資料。
每份報告都包含優勢、劣勢、機會與威脅，以及市場定位、品牌認知與競爭格局的拆解。
客戶分群會結合人口統計、心理特徵、社會類型、痛點、工作習慣、一天生活以及購買旅程階段進行建模。
結合人口統計與行為、心理訊號，為外撥銷售與需求開發建立可落地的潛客人物誌。
Rayyan is an AI-assisted systematic review platform that helps research teams import, deduplicate, screen, extract data from, and report on literature across the full evidence synthesis workflow.
The Systematic Auto-Resolver deduplicates up to 200,000 references using your own inclusion and exclusion protocol with one click.
ResearchPilot delivers zero-shot relevance ratings, an AI Analyzer, an AI Reviewer, and auto-extraction to speed up search, screening, and data capture.
Work through title, abstract, and full-text screening with inclusion and exclusion tagging, conflict resolution, and blinded reviewer modes.
Capture structured study data with configurable extraction fields, apply PICO frameworks, and export results with auto-generated PRISMA diagrams.
免費 / 開源Provides a completely free and open academic search database, but lacks collaborative literature review screening tools.
免費 / 開源Provides a completely free and open academic search database, but lacks collaborative literature review screening tools.
專項更強Visualizes citation networks and paper relationships wonderfully, but lacks Rayyan's screening, tagging, and exclusion tracking features.
專項更強Visualizes citation networks and paper relationships wonderfully, but lacks Rayyan's screening, tagging, and exclusion tracking features.
專項更強Provides intuitive visual maps of academic literature connections, but doesn't support systematic review screening or data extraction.
專項更強Provides intuitive visual maps of academic literature connections, but doesn't support systematic review screening or data extraction.
AI 驅動的 Shopify 偵探工具，發掘爆款代發貨商品並追蹤競品銷量
AI 驅動的 Shopify 偵探工具，發掘爆款代發貨商品並追蹤競品銷量
提供扎實的文獻搜尋與參考文獻管理工具，但缺乏 Rayyan 專門的協作篩檢介面。
專項更強Summarizes academic papers into interactive flashcards, but misses comprehensive systematic review screening pipelines.
專項更強Generates automated summaries of academic literature, but lacks Rayyan's collaborative team screening and evidence extraction tools.
專項更強Generates automated summaries of academic literature, but lacks Rayyan's collaborative team screening and evidence extraction tools.
