The new version of Augmented Steam (formerly Enhanced Steam) adds relevant, indie friendly SteamPeek similar games to the "More like this" block on store pages - just change the tab. : r/Steam
Augmented Steam - Chrome Web Store
Enhanced Steam für Firefox - Download - CHIP
Blade Runner Enhanced: Überraschendes Update auf Steam und GoG
Interplanetary: Enhanced Edition jetzt bei Steam, Gratis-Upgrade für Besitzer des Originals