Here is the vol.2 of 50 PSD line icons freebie released some months ago by Davide Pacilio.
Free PSD Icons
A set of 40 vector St Valentine’s Day icons. Free PSD and AI designed and released by Tamara.
Subway is a (now free!) set of 306 pixel perfect crafted icons. Delivered in PNG, SVG, XALM, PSD, CSH, SKETCH, PDF, AI and EPS formats.
Here is an interesting set made of 50 line icons designed with Photoshop. Free PSD released by Davide Pacilio.
Gemicon v2.0 is a set including 40 vector icons provided in both line and solid versions. Free PSD released by Budi Tanrim.
A set of 8 line icons for shopping category. Free PSD designed and released by Taro Huang.
A set of 12 outline house icons created with Photoshop vector shapes. Free PSD released by PrimeModule Studio.
Here is a small set including 3 vector shaped Christmas icons and released in EPS format. Designed by Dasha.
A set of 15 vector shaped icons for web. Free PSD (AI and EPS included) by Pavel Kozlov.
Evil Icons is a set of 56 lightweight SVG icons for your web project. Designed and released by Alexander Madyankin and Roman Shamin.