Aperlena is a free multilingual search engine that helps businesses find and track public tender opportunities across Europe. It brings together official notices from TED and national portals, covering 39 European countries and more than 100 sources. The platform provides searchable access to millions of notices, with information refreshed several times a day, so users can discover open contracts and monitor new opportunities.

Users can search by keyword, browse tenders by country or sector, and create alerts to receive updates. Aperlena also helps bidders follow shortlisted opportunities and keep track of deadline changes and corrections. Its listings include practical details such as contracting authorities, estimated values, closing dates, and notice status. Beyond current tenders, the site features contract award information, including successful suppliers and award values, supporting research into buyers and competitors. Statistics highlight activity by country and sector, while editorial guides explain topics such as tender pricing, award notices, and challenging decisions.