Tellico comes with interfaces for searching a number of data sources, most of which are listed below. Not all of them are enabled by default since they might require registration. In Tellico’s settings, select the Data Sources page and add or modify your specific sources there.

No affiliation with any of these sources is implied, unless otherwise stated.

Books & Bibliographies

amazon
(Registration required.)
isbndb
(Registration required.)
PubMed
BibSonomy
Google Scholar
Google Books
arXiv
CrossRef
(Registration required.)
SpringerLink
HathiTrust
OpenLibrary
douban
DBLP
Mathematical Reviews
VNDB
Visual Novel Database
DBC
BNC BiblioShare
NASA/astrophysics data system
UPCitemdb
SRU
SRU interface (nature.com, JSTOR, etc.)

Movies

amazon
(Registration required.)
imdb
allocine
douban
DVDfr
OMDB
Кинопоиск
Kino.de
Filmaster
TVmaze
TheTVDB
UPCitemdb
FilmAffinity

Music

amazon
(Registration required.)
discogs
musicbrainz
douban
UPCitemdb
iTunes

Video Games

amazon
(Registration required.)
giantbomb
TheGamesDB
IGDB.com
VideoGameGeek
MobyGames
Colnect
Gaming-History
VGCollect

Board Games

amazon
(Registration required.)
BoardGameGeek

Comic Books

amazon
(Registration required.)
BDGest
ComicVine
Colnect
OpenLibrary

Coins

Colnect
Numista

Stamps

Colnect

Sports Cards

Colnect

Multiple Types

GCstar
(Any GCstar search plugin)
Executable
(Any external script or executable that outputs certain formats)