expertfile.com 的前十大競爭對手

researchgate.net

Access 160+ million publication pages and connect with 25+ million researchers. Join for free and gain visibility by uploading your research.

linkedin.com

1 billion members | Manage your professional identity. Build and engage with your professional network. Access knowledge, insights and opportunities.

scholar.google.com

google scholar provides a simple way to broadly search for scholarly literature. search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.

manticoresearch.com

Manticore Search is an easy-to-use open source fast database for search. Elasticsearch alternative, vector search, SQL interface, full-text search capabilities

whois.whoisxmlapi.com

Bulk WHOIS Lookup enables you to collect extensive domain intelligence for a large list of domain names in one query. Get started with 500 free queries.

u-voice.net

Uvoice（ユーボイス）は、行動データの提供やアンケート回答で、ポイントがサクサク貯まります。無理なく長く続けられる、新感覚の「がんばらないポイ活」サービスです。

doisjerepondre.fr

consultez les numéros de téléphone les plus recherchés et trouvez les évaluations et commentaires d'utilisateurs.

hatebase.org

A collaborative, regionalized repository of multilingual hate speech

phonenumbers.ie

telephone directory – mobile telephones and fixed lines.