Just to add. As mentioned, there are only two or three deuterocanonical books found in Qumran and Masada. That being said, at least two of the seven are unlikely to be found in Qumran anyway, like 1 Maccabees and Judith (both of which may have been originally composed in Hebrew, but at any rate survives only in Greek), reason being that the Qumran sectarians are generally anti-
Hasmonean (the dynasty that the Maccabees had founded), and such works reflect pro-Hasmonean agenda.
Out of the seven deuteros, 2 Maccabees is an original Greek composition (it was the abridgement of a five-volume history by a Jason of Cyrene), and probably also the Wisdom of Solomon. (Baruch is rather unclear: many scholars believe that at least the first part was composed in Hebrew, while some argue that the whole book was originally totally in Hebrew.) So far, the only Greek texts found in Qumran (numbering between 24 and 27) were found in Caves 4 and 7. The Cave 4 texts are generally translations of Torah texts, while most of the texts of Cave 7 are too fragmentary to be identified, leading to all sorts of speculation. (The Letter of Jeremiah fragment is found in Cave 7.)
CEM5 already mentioned that Esther is not attested in Qumran. (Nehemiah is also not attested, although Ezra - the work with which it is often grouped together with - is.) That being said, several Aramaic fragments from the 1st century BC were discovered in Cave 4 which were controversially identified by a few people as a “Proto-Esther” due to it recounting events said to have occurred in the Persian court like canonical Esther (although there are no other similarities aside from this). As for Daniel, the eight manuscripts found are all incomplete, and seven of the eight manuscripts seem to contain the shorter Hebrew form instead of the longer Septuagint version. (For instance, in 1QDan[sup]b[/sup] and 4QDan[sup]d[/sup] for example, Daniel 3:23 is not followed by the Prayer of Azariah, but continues on to 3:24). The eighth manuscript, 4QDan[sup]e[/sup], meanwhile is possible to have been an abbreviated text that included only the prayer of Daniel (9:4b-19), since it preserves text only from chapter 9.
Not exactly related to the discussion, but there are two hymns found in Qumran which go thus.
Glorification Hymn A
(4Q491, fr. 11)
… the righ[teous] exult [in the streng]th of His might and the holy ones rejoice in … in righteousness
… He has established it in Israel
Since ancient times His truth and the mysteries of His wisdom (have been) in al[l] … power
… and the council of the poor into an eternal congregation.
… the perfect … [et]ernity a throne of strength in the congregation of ‘gods’ so that not a single king of old shall sit on it,
neither shall their noble men…
My glory is incomparable, and apart from me none is exalted.
None shall come to me for I dwell in … in heaven, and there is no …
I am reckoned with the ‘gods’ and my dwelling place is in the congregation of holiness.
[My] desire is not according to the flesh, [and] all that I value is in the glory of … … the pl]ace of holiness.
Who is counted as despicable on my account, and who is comparable to me in my glory?
Who is like … the young (?) like me?
Is there a companion who resembles me? There is none!
I have been taught and no instruction resembles [my instruction] …
Who shall attack me when * op[en my mouth]? And who can contain the issue of my lips?
Who[shall summon me to be destroyed by my judgement? …
[F]or I am reckoned with the ‘gods’, and my glory is with the sons of the King.
No pure gold or gold of Ophir …
Glorification Hymn B*
(4Q471b)
I am reckoned with the ‘gods’ and my dwelling place is in the congregation of holiness.
Who is counted as me to be despised and who is despised as me?
And who is like me, forsaken [by men (Isa. liii, 3), and is there] a companion who resembles me?
And no instruction resembles my instruction.
[For] I sit …
Who is like me among the ‘gods’?
[And who shall attack me when I open my mouth]?
And who can contain the issue of my lips?
And who [shall summon me to be destroyed by my judgement]?
[For I am] the beloved of the King and the friend of the ho[ly ones].
[No-one] … and no-one is comparable [to my glory].
For I [have my station with the ‘gods’, and my glory is with the sons of the King].
I will not be cr[owned with pure gold nor with the gold of Ophir] …
Sing …
There are several theories about the meaning of these Glorification Hymns as well and even a hypothesis that they do not originate from Qumran but from the Book of Enoch.