Suggestions for Gb4e

The following packages have something in common with the package Gb4e. The packages are ordered in decreasing similarity.

Package gb4e-next: Linguistic tools
Package qtree: Draw tree structures
Package paracol: Multiple columns with texts in parallel
Package synproof: Easy drawing of syntactic proofs
Package expex: Linguistic examples and glosses, with reference capabilities
Package linguex: Format linguists’ examples
Package arcs: Draw arcs over and under text
Package pst-tree: Trees, using PSTricks
Package pst-asr: Typeset autosegmental representations for linguists
Package pst-tvz: Draw trees with more than one root node, using PSTricks
Package tipauni: Producing Unicode characters with TIPA commands
Package pst-node: Nodes and node connections in PSTricks
Package pst-jtree: Typeset complex trees for linguists
Package covington: LaTeX macros for Linguistics
Package fragoli: Macros for constructing complex semantic derivations
Package leipzig: Typeset and index linguistic gloss abbreviations
Package numending: Generates morphological end of units
Package overword: Parse text
Package rst: Drawing rhetorical structure analysis diagrams in LaTeX
Package textglos: Typeset and index linguistic gloss abbreviations
Package dvgloss: Facilities for setting interlinear glossed text
Package interlinear: A package for creating interlinear glossed texts with customizable formatting
Package linguexx: A tagging-aware package for typesetting linguistic examples and glosses
Package drs: Typeset Discourse Representation Structures (DRS)
Package nnext: Extension for the gb4e package
Package sdrt: Macros for Segmented Discourse Representation Theory
Package simplex: LaTeX macros for linguistics
Package attachfile2: Attach files into PDF
Package attachfile: Attach arbitrary files to a PDF document
Package pdfmarginpar: Generate marginpar-equivalent PDF annotations
Package repltext: Control how text gets copied from a PDF file