Quaeso
Alovoa intendit primum esse diffusum liberum et apertum fontei suggestum interretialem. Quid facit Alovoa diversum ab aliis suggestis? Nulla ads Nulla venditio notitiarum tuarum Nulla pretium lineamenta (nullus "super-similes", "reddere super-similes", "reddere ad visum profile" vel "solvere ad chat committitur") Nullus incertus servers Nullae bibliothecae clausae-fontis nullae videntes quas non vis videre cum filtratibus provectis Tua notitia secretissima secure encrypted
According to their privacy policy they “do not sell any of your information to anyone, that’s a promise we will always keep. Additionally, your most sensitive data is heavily encrypted and will be safe even if a data breach were to occur.” (https://alovoa.com/privacy) the source code is open-source available and there are no ads. All in all this service seems to be trade-free.