diff --git a/Changes b/Changes
index 5487ca9..abef1c7 100755
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-0.48 2023-01-31
+0.48 2023-02-02
         - Added support for NKJP tagset in annotation
           assistant. (diewald)
         - Remove deprecated 'auth_support' (since 0.31)
@@ -29,6 +29,7 @@
           (fixes #184; diewald)
         - Redirect to index on authorization failure,
           in case user is not logged in. (fixes #192; diewald)
+        - Added annotation helper for UDPipe annotations. (wilm)
 
         WARNING: Mojolicious 9.31 is a security update -
           updating is highly recommended.
diff --git a/dev/js/src/hint/foundries/ud.js b/dev/js/src/hint/foundries/ud.js
new file mode 100644
index 0000000..6777c73
--- /dev/null
+++ b/dev/js/src/hint/foundries/ud.js
@@ -0,0 +1,300 @@
+define(["hint/foundries"], function (ah) {
+  ah["-"].push(
+    ["UDPipe", "ud/", "Morphology, Part-of-Speech"]
+  );
+
+  ah["ud/"] = [
+    ["Morphology", "m="],
+    ["Part-of-Speech", "p="]
+  ];
+
+  ah["ud/p="] = [
+    ["ADJ","ADJ ","adjective"],
+    ["ADP","ADP ","adposition"],
+    ["ADV","ADV ","adverb"],
+    ["AUX","AUX ","auxiliary"],
+    ["CCONJ","CCONJ ","coordinating conjunction"],
+    ["DET","DET ","determiner"],
+    ["INTJ","INTJ ","interjection"],
+    ["NOUN","NOUN ","noun"],
+    ["NUM","NUM ","numeral"],
+    ["PART","PART ","particle"],
+    ["PRON","PRON ","pronoun"],
+    ["PROPN","PROPN ","proper noun"],
+    ["PUNCT","PUNCT ","punctuation"],
+    ["SCONJ","SCONJ ","subordinating conjunction"],
+    ["SYM","SYM ","symbol"],
+    ["VERB","VERB ","verb"],
+    ["X","X ","other"]
+  ];
+
+  ah["ud/m="] = [
+    ["abbreviation","abbr:"],
+    ["adposition type","adptype:"],
+    ["animacy","animacy:"],
+    ["aspect","aspect:"],
+    ["case","case:"],
+    ["conjunction type","conjtype:"],
+    ["definiteness or state","definite:"],
+    ["degree","degree:"],
+    ["foreign word","foreign:"],
+    ["gender","gender:"],
+    ["hyphenated compound or part of it","hyph:"],
+    ["mood","mood:"],
+    ["number","number:"],
+    ["numeral type","numtype:"],
+    ["particle type","parttype:"],
+    ["person","person:"],
+    ["polarity","polarity:"],
+    ["possessive","poss:"],
+    ["pronominal type","prontype:"],
+    ["punctuation type","puncttype:"],
+    ["reflexive","reflex:"],
+    ["tense","tense:"],
+    ["misspelled word","typo:"],
+    ["alternative form of word","variant:"],
+    ["form of verb or deverbative","verbform:"],
+    ["verb type","verbtype:"]
+  ];
+
+  ah["ud/m=abbr:"] = [
+    ["yes","yes ","yes"]
+  ];
+
+  ah["ud/m=adptype:"] = [
+    ["circ","circ ","circumposition"],
+    ["post","post ","postposition"],
+    ["prep","prep ","preposition"],
+    ["voc","voc ","vocalized preposition"]
+  ];
+
+  ah["ud/m=animacy:"] = [
+    ["anim","anim ","animate"],
+    ["hum","hum ","human"],
+    ["inan","inan ","inanimate"],
+    ["nhum","nhum ","non-human"]
+  ];
+
+  ah["ud/m=aspect:"] = [
+    ["hab","hab ","habitual"],
+    ["imp","imp ","imperfect"],
+    ["iter","iter ","iterative / frequentative"],
+    ["perf","perf ","perfect"],
+    ["prog","prog ","progressive"],
+    ["prosp","prosp ","prospective"]
+  ];
+
+  ah["ud/m=case:"] = [
+    ["abe","abe ","abessive / caritative / privative"],
+    ["abl","abl ","ablative / adelative"],
+    ["abs","abs ","absolutive"],
+    ["acc","acc ","accusative / oblique"],
+    ["add","add ","additive"],
+    ["ade","ade ","adessive"],
+    ["all","all ","allative / adlative"],
+    ["ben","ben ","benefactive / destinative"],
+    ["cau","cau ","causative / motivative / purposive"],
+    ["cmp","cmp ","comparative"],
+    ["cns","cns ","considerative"],
+    ["com","com ","comitative / associative"],
+    ["dat","dat ","dative"],
+    ["del","del ","delative / superelative"],
+    ["dis","dis ","distributive"],
+    ["ela","ela ","elative / inelative"],
+    ["equ","equ ","equative"],
+    ["erg","erg ","ergative"],
+    ["ess","ess ","essive / prolative"],
+    ["gen","gen ","genitive"],
+    ["ill","ill ","illative / inlative"],
+    ["ine","ine ","inessive"],
+    ["ins","ins ","instrumental / instructive"],
+    ["lat","lat ","lative / directional allative"],
+    ["loc","loc ","locative"],
+    ["nom","nom ","nominative / direct"],
+    ["par","par ","partitive"],
+    ["per","per ","perlative"],
+    ["sbe","sbe ","subelative"],
+    ["sbl","sbl ","sublative"],
+    ["spl","spl ","superlative"],
+    ["sub","sub ","subessive"],
+    ["sup","sup ","superessive"],
+    ["tem","tem ","temporal"],
+    ["ter","ter ","terminative / terminal allative"],
+    ["tra","tra ","translative / factive"],
+    ["voc","voc ","vocative"]
+  ];
+
+  ah["ud/m=conjtype:"] = [
+    ["comp","comp ","comparing conjunction"],
+    ["oper","oper ","mathematical operator"],
+    ["pred","pred ","subordinating conjunction introducing a secondary predicate"]
+  ];
+
+  ah["ud/m=definite:"] = [
+    ["com","com ","complex"],
+    ["cons","cons ","construct state / reduced definiteness"],
+    ["def","def ","definite"],
+    ["ind","ind ","indefinite"],
+    ["spec","spec ","specific indefinite"]
+  ];
+
+  ah["ud/m=degree:"] = [
+    ["abs","abs ","absolute superlative"],
+    ["aug","aug ","augmentative"],
+    ["cmp","cmp ","comparative, second degree"],
+    ["dim","dim ","diminutive"],
+    ["equ","equ ","equative"],
+    ["pos","pos ","positive, first degree"],
+    ["sup","sup ","superlative, third degree"]
+  ];
+
+  ah["ud/m=foreign:"] = [
+    ["yes","yes ","yes"]
+  ];
+
+  ah["ud/m=gender:"] = [
+    ["com","com ","common"],
+    ["fem","fem ","feminine",],
+    ["masc","masc ","masculine"],
+    ["neut","neut ","neuter"]
+  ];
+
+  ah["ud/m=hyph:"] = [
+    ["yes","yes ","yes"]
+  ];
+
+  ah["ud/m=mood:"] = [
+    ["adm","adm ","admirative"],
+    ["cnd","cnd ","conditional"],
+    ["des","des ","desiderative"],
+    ["imp","imp ","imperative"],
+    ["ind","ind ","indicative or realis"],
+    ["int","int ","interrogative"],
+    ["irr","irr ","irrealis"],
+    ["jus","jus ","jussive / injunctive"],
+    ["nec","nec ","necessitative"],
+    ["opt","opt ","optative"],
+    ["pot","pot ","potential"],
+    ["prp","prp ","purposive"],
+    ["qot","qot ","quotative"],
+    ["sub","sub ","subjunctive / conjunctive"]
+  ];
+
+  ah["ud/m=number:"] = [
+    ["coll","coll ","collective / mass / singulare tantum"],
+    ["count","count ","count plural"],
+    ["dual","dual ","dual"],
+    ["grpa","grpa ","greater paucal"],
+    ["grpl","grpl ","greater plural"],
+    ["inv","inv ","inverse"],
+    ["pauc","pauc ","paucal"],
+    ["plur","plur ","plural"],
+    ["ptan","ptan ","plurale tantum"],
+    ["sing","sing ","singular"],
+    ["tri","tri ","trial"]
+  ];
+
+  ah["ud/m=numtype:"] = [
+    ["card","card ","cardinal number or corresponding interrogative / relative / indefinite / demonstrative word"],
+    ["dist","dist ","distributive numeral"],
+    ["frac","frac ","fraction"],
+    ["mult","mult ","multiplicative numeral or corresponding interrogative / relative / indefinite / demonstrative word"],
+    ["ord","ord ","ordinal number or corresponding interrogative / relative / indefinite / demonstrative word"],
+    ["range","range ","range of values"],
+    ["sets","sets ","number of sets of things; collective numeral"]
+  ];
+
+  ah["ud/m=parttype:"] = [
+    ["emp","emp ","particle of emphasis"],
+    ["inf","inf ","infinitive marker"],
+    ["int","int ","question particle"],
+    ["mod","mod ","modal particle"],
+    ["neg","neg ","negation particle"],
+    ["res","res ","response particle"],
+    ["vbp","vbp ","separated verb prefix in german"]
+  ];
+
+  ah["ud/m=person:"] = [
+    ["0","0 ","zero person"],
+    ["1","1 ","first person"],
+    ["2","2 ","second person"],
+    ["3","3 ","third person"],
+    ["4","4 ","fourth person"]
+  ];
+
+  ah["ud/m=polarity:"] = [
+    ["neg","neg ","negative"],
+    ["pos","pos ","positive, affirmative"]
+  ];
+
+  ah["ud/m=poss:"] = [
+    ["yes","yes ","yes"]
+  ];
+
+  ah["ud/m=prontype:"] = [
+    ["art","art ","article"],
+    ["dem","dem ","demonstrative pronoun, determiner, numeral or adverb"],
+    ["emp","emp ","emphatic determiner"],
+    ["exc","exc ","exclamative determiner"],
+    ["ind","ind ","indefinite pronoun, determiner, numeral or adverb"],
+    ["int","int ","interrogative pronoun, determiner, numeral or adverb"],
+    ["neg","neg ","negative pronoun, determiner or adverb"],
+    ["prs","prs ","personal or possessive personal pronoun or determiner"],
+    ["rcp","rcp ","reciprocal pronoun"],
+    ["rel","rel ","relative pronoun, determiner, numeral or adverb"],
+    ["tot","tot ","total (collective) pronoun, determiner or adverb"]
+  ];
+
+  ah["ud/m=puncttype:"] = [
+    ["brck","brck ","bracket"],
+    ["colo","colo ","colon"],
+    ["comm","comm ","comma"],
+    ["dash","dash ","dash, hyphen"],
+    ["elip","elip ","ellipsis"],
+    ["excl","excl ","exclamation mark"],
+    ["peri","peri ","period at the end of sentence or clause"],
+    ["qest","qest ","question mark"],
+    ["quot","quot ","quotation marks"],
+    ["semi","semi ","semicolon"],
+    ["slsh","slsh ","slash or backslash"]
+  ];
+
+  ah["ud/m=reflex:"] = [
+    ["yes","yes ","yes"]
+  ];
+
+  ah["ud/m=tense:"] = [
+    ["fut","fut ","future tense"],
+    ["imp","imp ","imperfect"],
+    ["past","past ","past tense / preterite / aorist"],
+    ["pqp","pqp ","pluperfect"],
+    ["pres","pres ","present / non-past tense / aorist"]
+  ];
+
+  ah["ud/m=typo:"] = [
+    ["yes","yes ","yes"]
+  ];
+
+  ah["ud/m=variant:"] = [
+    ["short","short ","short form of adjectives"]
+  ];
+
+  ah["ud/m=verbform:"] = [
+    ["conv","conv ","converb, transgressive, adverbial participle, verbal adverb"],
+    ["fin","fin ","finite verb"],
+    ["gdv","gdv ","gerundive"],
+    ["ger","ger ","gerund"],
+    ["inf","inf ","infinitive"],
+    ["part","part ","participle, verbal adjective"],
+    ["sup","sup ","supine"],
+    ["vnoun","vnoun ","verbal noun, masdar"]
+  ];
+
+  ah["ud/m=verbtype:"] = [
+    ["aux","aux ","auxiliary verb"],
+    ["cop","cop ","copula verb"],
+    ["light","light ","light (support) verb"],
+    ["mod","mod ","modal verb"],
+    ["quasi","quasi ","quasi-verb"]
+  ];
+});