Someone on reddit made a list of the still available FAs. I doubt it's 100% accurate, but it's useful.
Dirk Nowitzki PF 39 UFA DAL TBD - - - -
Derrick Rose PG 28 UFA NYK TBD - - - -
Pau Gasol PF 36 UFA SAS TBD - - - -
Gordon Hayward SF 27 UFA UTH TBD - - - -
Jeff Green SF 30 UFA ORL TBD - - - -
Manu Ginobili SG 39 UFA SAS TBD - - - -
Rajon Rondo PG 31 UFA CHI TBD - - - -
Rudy Gay SF 30 UFA SAC TBD - - - -
Arron Afflalo SG 31 UFA SAC TBD - - - -
Tyreke Evans SF 27 UFA SAC TBD - - - -
Zach Randolph PF 35 UFA MEM TBD - - - -
Gerald Henderson SG 29 UFA PHI TBD - - - -
Tiago Splitter PF 32 UFA PHI TBD - - - -
Ersan Ilyasova SF 30 UFA ATL TBD - - - -
Anthony Tolliver PF 32 UFA SAC TBD - - - -
Sergio Rodriguez SG 31 UFA PHI TBD - - - -
George Hill PG 31 UFA UTH TBD - - - -
Tyler Zeller C 27 UFA BOS TBD - - - -
Festus Ezeli C 27 UFA POR TBD - - - -
Aron Baynes PF 30 UFA DET TBD - - - -
Patrick Patterson PF 28 UFA TOR TBD - - - -
Ramon Sessions PG 31 UFA CHA TBD - - - -
Nikola Mirotic PF 26 RFA CHI TBD - - - -
Nick Young SF 32 UFA LAL TBD - - - -
Tony Allen SG 35 UFA MEM TBD - - - -
Roy Hibbert C 30 UFA DEN TBD - - - -
Jonas Jerebko PF 30 UFA BOS TBD - - - -
Mike Dunleavy SF 36 UFA ATL TBD - - - -
Otto Porter Jr. SF 24 RFA WAS TBD - - - -
C.J. Miles SG 30 UFA IND TBD - - - -
Jordan Hill C 29 UFA MIN TBD - - - -
Vince Carter SG 40 UFA MEM TBD - - - -
LaVoy Allen PF 28 UFA IND TBD - - - -
Kris Humphries PF 32 UFA ATL TBD - - - -
Udonis Haslem PF 37 UFA MIA TBD - - - -
James Johnson PF 30 UFA MIA TBD - - - -
Leandro Barbosa SG 34 UFA PHX TBD - - - -
Thabo Sefolosha SF 33 UFA ATL TBD - - - -
Alex Len C 24 RFA PHX TBD - - - -
Nick Collison PF 36 UFA OKC TBD - - - -
Nerlens Noel C 23 RFA DAL TBD - - - -
Paul Pierce SF 39 UFA LAC TBD - - - -
Brandon Rush SG 31 UFA MIN TBD - - - -
Bojan Bogdanovic SF 28 RFA WAS TBD - - - -
Anthony Morrow SG 31 UFA CHI TBD - - - -
K.J. McDaniels SG 24 UFA BKN TBD - - - -
Kentavious Caldwell-Pope SG 24 RFA DET TBD - - -
Dante Cunningham PF 30 UFA NOP TBD - - - -
Dion Waiters SG 25 UFA MIA TBD - - - -
Dewayne Dedmon C 27 UFA SAS TBD - - - -
Zaza Pachulia C 33 UFA GSW TBD - - - -
Trey Burke PG 24 RFA WAS TBD - - - -
Aaron Brooks PG 32 UFA IND TBD - - - -
Randy Foye SG 33 UFA BKN TBD - - - -
Shelvin Mack PG 27 UFA UTH TBD - - - -
Kelly Olynyk C 26 RFA BOS TBD - - - -
Luc Richard Mbah a Moute SF 30 UFA LAC TBD - -
Shabazz Muhammad SF 24 UFA MIN TBD - - -
Adreian Payne PF 26 UFA MIN TBD - - - -
James Young SG 21 UFA BOS TBD - - - -
Joffrey Lauvergne PF 25 RFA CHI TBD - - - -
Tyler Ennis PG 22 UFA LAL TBD - - - -
Mason Plumlee C 27 RFA DEN TBD - - - -
David Lee PF 34 UFA SAS TBD - - - -
Metta World Peace SF 37 UFA LAL TBD - - - -
Brandon Bass PF 32 UFA LAC TBD - - - -
Raymond Felton PG 33 UFA LAC TBD - - - -
Jason Terry SG 39 UFA MIL TBD - - - -
James Jones SG 36 UFA CLE TBD - - - -
Beno Udrih PG 34 UFA DET TBD - - - -
Tim Hardaway Jr. SG 25 RFA ATL TBD - - - -
Reggie Bullock SF 26 RFA DET TBD - - - -
Marreese Speights C 29 UFA LAC TBD - - - -
Nando De Colo PG 30 RFA TOR TBD - - - -
Sasha Vujacic SG 33 UFA NYK TBD - - - -
Gerald Green SG 31 UFA BOS TBD - - - -
JaVale McGee C 29 UFA GSW TBD - - - -
Andre Roberson SG 25 RFA OKC TBD - - - -
Ty Lawson PG 29 UFA SAC TBD - - - -
Alan Anderson SG 34 UFA LAC TBD - - - -
Brandon Jennings PG 27 UFA WAS TBD - - - -
Luke Babbitt SF 28 UFA MIA TBD - - - -
Isaiah Canaan PG 26 UFA CHI TBD - - - -
Willie Reed PF 27 UFA MIA TBD - - - -
Brian Roberts PG 31 UFA CHA TBD - - - -
Thomas Robinson PF 26 UFA LAL TBD - - - -
Ian Clark SG 26 UFA GSW TBD - - - -
Jeff Withey C 27 UFA UTH TBD - - - -
Damjan Rudez SF 31 RFA ORL TBD - - - -
James McAdoo SF 24 UFA GSW TBD - - - -
Christian Wood PF 21 UFA CHA TBD - - - -
Michael Beasley SF 28 UFA MIL TBD - - - -
Darrun Hilliard II SF 24 UFA LAC TBD - - - -
Mike Muscala PF 26 UFA ATL TBD - - - -
Maurice N'dour PF 25 UFA NYK TBD - - - -
Jonathon Simmons SG 27 RFA SAS TBD - - - -
Bobby Brown PG 32 RFA HOU TBD - - - -
JaMychal Green PF 27 RFA MEM TBD - - - -
Donatas Motiejunas PF 26 UFA NOP TBD - - - -
Joel Anthony C 34 UFA SAS TBD - - - -
Alan Williams PF 24 RFA PHX TBD - - - -
Ronnie Price PG 34 UFA PHX TBD - - - -
Deron Williams PG 33 UFA CLE TBD - - - -
Matt Barnes SF 37 UFA GSW TBD - - - -
Norris Cole PG 28 UFA OKC TBD - - - -
Derrick Williams PF 26 UFA CLE TBD - - - -
Omri Casspi SF 29 UFA MIN TBD - - - -
Troy Williams SF 22 RFA HOU TBD - - - -
Dahntay Jones SF 36 UFA CLE TBD - - - -
Alex Poythress SF 23 RFA PHI TBD - - - -