Suggestions for Paracol

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

Package parallel: Typeset parallel texts
Package parcolumns: Multiple column parallel typesetting
Package reledpar: Typeset scholarly editions in parallel texts
Package pdfcolparcolumns: Fix colour problems in package parcolumns
Package pdfcolparallel: Fix colour problems in package parallel
Package gb4e: Linguistic tools
Package qtree: Draw tree structures
Package synproof: Easy drawing of syntactic proofs
Package expex: Linguistic examples and glosses, with reference capabilities
Package bilingualpages: Typeset two columns in parallel
Package parrun: Typesets (two) streams of text running parallel
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 eledpar: Typeset scholarly editions in parallel texts
Package ledpar: Typeset scholarly editions in parallel texts
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 drs: Typeset Discourse Representation Structures (DRS)