Here are the packages with brief descriptions (if available):

anonymous_namespace{cat_compressed_main.cc}
anonymous_namespace{empty_test_main.cc}
anonymous_namespace{kenlm_benchmark_main.cc}
anonymous_namespace{lmplz_main.cc}
anonymous_namespace{phrase_table_vocab_main.cc}
bump_version
double_conversion
example
joshua
joshua.adagrad
joshua.corpus
joshua.corpus.syntax
joshua.decoder
joshua.decoder.chart_parser
joshua.decoder.ff
joshua.decoder.ff.fragmentlm
joshua.decoder.ff.lm
joshua.decoder.ff.lm.berkeley_lm
joshua.decoder.ff.lm.bloomfilter_lm
joshua.decoder.ff.phrase
joshua.decoder.ff.similarity
joshua.decoder.ff.state_maintenance
joshua.decoder.ff.tm
joshua.decoder.ff.tm.format
joshua.decoder.ff.tm.hash_based
joshua.decoder.ff.tm.packed
joshua.decoder.hypergraph
joshua.decoder.io
joshua.decoder.phrase
joshua.decoder.segment_file
joshua.lattice
joshua.metrics
joshua.mira
joshua.oracle
joshua.pro
joshua.server
joshua.subsample
joshua.tools
joshua.ui
joshua.ui.tree_visualizer
joshua.ui.tree_visualizer.browser
joshua.ui.tree_visualizer.tree
joshua.util
joshua.util.encoding
joshua.util.io
joshua.zmert
lm
lm::anonymous_namespace{filter_main.cc}
lm::anonymous_namespace{model_buffer.cc}
lm::anonymous_namespace{print.cc}
lm::anonymous_namespace{read_arpa.cc}
lm::anonymous_namespace{size_option.cc}
lm::base
lm::builder
lm::builder::anonymous_namespace{adjust_counts.cc}
lm::builder::anonymous_namespace{adjust_counts_test.cc}
lm::builder::anonymous_namespace{corpus_count.cc}
lm::builder::anonymous_namespace{corpus_count_test.cc}
lm::builder::anonymous_namespace{initial_probabilities.cc}
lm::builder::anonymous_namespace{interpolate.cc}
lm::builder::anonymous_namespace{pipeline.cc}
lm::interpolate
lm::interpolate::anonymous_namespace{backoff_reunification.cc}
lm::interpolate::anonymous_namespace{backoff_reunification_test.cc}
lm::interpolate::anonymous_namespace{bounded_sequence_encoding_test.cc}
lm::interpolate::anonymous_namespace{merge_probabilities.cc}
lm::interpolate::anonymous_namespace{merge_vocab.cc}
lm::interpolate::anonymous_namespace{merge_vocab_test.cc}
lm::interpolate::anonymous_namespace{normalize.cc}
lm::interpolate::anonymous_namespace{normalize_test.cc}
lm::interpolate::anonymous_namespace{pipeline.cc}
lm::interpolate::anonymous_namespace{tune_derivatives_test.cc}
lm::interpolate::anonymous_namespace{tune_instance.cc}
lm::interpolate::anonymous_namespace{tune_instance_test.cc}
lm::neural
lm::ngram
lm::ngram::anonymous_namespace{binary_format.cc}
lm::ngram::anonymous_namespace{build_binary_main.cc}
lm::ngram::anonymous_namespace{left_test.cc}
lm::ngram::anonymous_namespace{model_test.cc}
lm::ngram::anonymous_namespace{partial_test.cc}
lm::ngram::anonymous_namespace{quantize.cc}
lm::ngram::anonymous_namespace{search_hashed.cc}
lm::ngram::anonymous_namespace{vocab.cc}
lm::ngram::detail
lm::ngram::detail::anonymous_namespace{model.cc}
lm::ngram::trie
lm::ngram::trie::anonymous_namespace{bhiksha.cc}
lm::ngram::trie::anonymous_namespace{search_trie.cc}
lm::ngram::trie::anonymous_namespace{trie.cc}
lm::ngram::trie::anonymous_namespace{trie_sort.cc}
lm::np
lm::np::anonymous_namespace{nplm.cc}
lm::phrase
lm::phrase::anonymous_namespace{phrase.cc}
lm::phrase::detail
lm::vocab
lm::vocab::anonymous_namespace{vocab.cc}
nplm
setup
util
util::anonymous_namespace{bit_packing.cc}
util::anonymous_namespace{bit_packing_test.cc}
util::anonymous_namespace{ersatz_progress.cc}
util::anonymous_namespace{exception.cc}
util::anonymous_namespace{file.cc}
util::anonymous_namespace{file_piece.cc}
util::anonymous_namespace{file_piece_test.cc}
util::anonymous_namespace{float_to_string.cc}
util::anonymous_namespace{integer_to_string.cc}
util::anonymous_namespace{integer_to_string_test.cc}
util::anonymous_namespace{joint_sort_test.cc}
util::anonymous_namespace{mmap.cc}
util::anonymous_namespace{multi_intersection_test.cc}
util::anonymous_namespace{murmur_hash.cc}
util::anonymous_namespace{pcqueue_test.cc}
util::anonymous_namespace{probing_hash_table_benchmark_main.cc}
util::anonymous_namespace{probing_hash_table_test.cc}
util::anonymous_namespace{read_compressed.cc}
util::anonymous_namespace{read_compressed_test.cc}
util::anonymous_namespace{scoped.cc}
util::anonymous_namespace{sized_iterator_test.cc}
util::anonymous_namespace{sorted_uniform_test.cc}
util::anonymous_namespace{string_stream_test.cc}
util::anonymous_namespace{tokenize_piece_test.cc}
util::anonymous_namespace{usage.cc}
util::detail
util::stream
util::stream::anonymous_namespace{io_test.cc}
util::stream::anonymous_namespace{multi_progress.cc}
util::stream::anonymous_namespace{rewindable_stream_test.cc}
util::stream::anonymous_namespace{sort_test.cc}
util::stream::anonymous_namespace{stream_test.cc}