Here are a few things to be done in Germany if not done yet:
Borussia Dortmund:
Lasse Sobiech on loan to Greuther Fürth
Julian Koch on loan to MSV Duisburg
Marco Stiepermann to Energie Cottbus
Johannes Focher to Sturm Graz
Florian Kringe released.
Lukas Pisczek needs improvement if not done yet.
FC Bayern:
Tobias Schweinsteiger to Bayern II from Jahn Regensburg
Altin Lala to Bayern II from Hannover 96
Takashi Usami's loan finishes
Rouven Sattelmaier released
David Alaba, Holger Badstuber, Dante need improvement if not done yet. Alaba should also be able to play as a central midfielder as a natural position.
Contento, van Buyten, Luiz Gustavo had a disappointing season so should maybe decreased slightly..?
FC Schalke 04:
Pilatsikas, Annan, Edu back from loan.
Mathias Schober retires
Mario Gravanovic to FC Zürich.
Ciprian Deac to CFR Cluj
Carlos Zambrano to FC St. Pauli permanently
Roman Neustädter needs improvement if not done yet.
Bayer 04 Leverkusen:
Hegeler back from loan
Fabian Giefer to Fortuna Düsseldorf
Bastian Oczipka to Eintracht Frankfurt
I disagree with someone who said early that André Schürrle should be improved. He's already quite good on the game and even though he's played well for Germany, he didn't live up to expectations for Leverkusen.
Lars Bender should be improved and should be able to play as a right defender (not his natural position, though).
VfB Stuttgart:
Daniel Didavi back from loan.
Tunay Torun in from Hertha BSC
Matthieu Delpierre to 1899 Hoffenheim
Timo Gebhart to 1.FC Nürnberg
Stefano Celozzi to Eintracht Frankfurt
VfL Wolfsburg:
André Lenz retires.
Sebastian Polter on loan to 1. FC Nürnberg
SV Werder Bremen:
Sandro Wagner back from loan.
Assani Lukimya in from Fortuna Düsseldorf (should also be improved slightly)
Raphael Wolf in from Kapfenberger SV (Austria)
Onur Ayik and Sebastian Boenisch released.
1.FC Nürnberg
Hiroshi Kiyotake in from Cerezo Osaka (J League)
Ruben Okotie back from loan
Albert Bunjaku to 1. FC Kaiserslautern
Christian Eigler to 1. FC Ingolstadt
So much for now, more to come if this is helpful to you at all?