return {
	{
		'nvim-treesitter/nvim-treesitter',
		build = ':TSUpdate',
		event = { "VeryLazy" },
		lazy = vim.fn.argc(-1) == 0,
		opts =  {
			ensure_installed = {
				"bash",
				"bibtex",
				"c",
				"cs",
				"cpp",
				"cs",
				"go",
				"html",
				"http",
				"javascript",
				"json",
				"latex",
				"lua",
				"python",
				"typescript",
				"tsx",
				"vim",
			},
			sync_install = false,
			highlight = {
				enable = true,
			},
		},
	},

	--
	-- Autocompletion
	--
	{
		'ms-jpq/coq.artifacts',
		branch = 'artifacts'
	},
	{
		'ms-jpq/coq_nvim',
		dependencies = { 'ms-jpq/coq.artifacts' },
		branch = 'coq',
		build = ':COQdeps',
		event = { "BufEnter" },
		config = function()
			vim.cmd([[autocmd VimEnter * COQnow -s]])
		end
	},

	--
	-- Language Configurations
	--
	{ 'ap/vim-css-color', lazy = false },
	-- close tags in html languages
	{
		'alvan/closetag.vim',
		ft = { "html", "vue", "typescriptreact" },
	},

	{
		'udalov/kotlin-vim',
		ft = 'kotlin'
	},

	{ 'bellinitte/uxntal.vim', lazy = false },
	{
		'nvim-flutter/flutter-tools.nvim',
		ft = 'dart',
		dependencies = {
			'nvim-lua/plenary.nvim',
			'nanotee/nvim-lsp-basics',
		},
		opts = {
			lsp = {
				color = {
					enabled = true,
				},
				on_attach = function(client, bufnr)
					local basics = require('lsp_basics')
					basics.make_lsp_commands(client, bufnr)
					basics.make_lsp_mappings(client, bufnr)
				end,
			},
		},
	},

	--
	-- Language Server
	--

	-- Show Code Outline/Symbols tree window
	{
		'stevearc/aerial.nvim',
		opts = {
			close_on_select = true,
			-- backends = { 'lsp', 'markdown', 'man' },
			layout = {
				-- default_direction = 'prefer_right',
				min_width = 25,
			},
		},
		keys = {
			{'<Leader>e', ':AerialToggle<LF>'},
		}
	},

	-- Language Server Installer
	{
		'williamboman/mason.nvim',
		cmd = {
			"Mason",
			"MasonInstall",
			"MasonUpdate",

		},
		opts =  {
			ui = {
				icons = {
					package_installed = "i",
					package_pending = "p",
					package_uninstalled = "u"
				},
			},
		},
	},
	{
		'neovim/nvim-lspconfig',
		config = function()
			-- disable inline error messages
			vim.diagnostic.config({ virtual_text = false })
		end
	},
	--[[{
		'huggingface/llm.nvim',
		opts = {
			model = 'qwen2.5-coder:7b',
			backend = 'ollama',
			url = 'http://localhost:11434',
			lsp = {
				bin_path = vim.api.nvim_call_function("stdpath", { "data" }) .. "/mason/bin/llm-ls",
			}
		},
	},]]--
	{
		'mason-org/mason-lspconfig.nvim',
		dependencies = {
			'ms-jpq/coq_nvim',
			'nanotee/nvim-lsp-basics',
			'neovim/nvim-lspconfig',
			-- 'huggingface/llm.nvim',
			'stevearc/aerial.nvim',
			'williamboman/mason.nvim',
		},
		opts = {
			ensure_installed = {
				"bashls",
				"clangd",
				"gopls",
				"html",
				"jsonls",
				"lua_ls",
				"pyright",
				"texlab",
				"ts_ls"
			},
		},
		ft = {
			"bash",
			"c",
			"cpp",
			"cs",
			"dart",
			"go",
			"html",
			"javascript",
			"javascriptreact",
			"json",
			"lua",
			"python",
			"tex",
			"typescript",
			"typescriptreact",
		},
		-- config = function()
		-- 	local masonlsp = require 'mason-lspconfig'
		-- 	--[[
		-- 	masonlsp.setup 
		-- 	--]]
		-- 	masonlsp.setup_handlers {
		-- 		function(server_name)
		-- 			require('lspconfig')[server_name].setup(require('coq').lsp_ensure_capabilities {
		-- 				on_attach = function(client, bufnr)
		-- 					local basics = require('lsp_basics')
		-- 					basics.make_lsp_commands(client, bufnr)
		-- 					basics.make_lsp_mappings(client, bufnr)
		-- 				end
		-- 			})
		-- 		end
		-- 	}
		-- end,
	},

	-- Show code diagnostics in a separate buffer window
	{
		'folke/trouble.nvim',
		opts = {},

		cmd = {
			"Trouble",
		},

		keys = 	{
			{'<Leader>t', ':Trouble diagnostics toggle<CR>'},
		}
	},
	--
	-- Markdown Live Preview
	--
	{
		"iamcco/markdown-preview.nvim",
		ft = {"markdown"},
		-- cmd = {
		-- 	"MarkdownPreviewToggle",
		-- 	"MarkdownPreview",
		-- 	"MarkdownPreviewStop"
		-- },
		config = function()
			vim.fn["mkdp#util#install"]()
			vim.g.mkdp_theme = 'light'
			-- vim.g.mkdp_browser = 'netsurf'

		end
	},

	--
	-- Misc
	--
	{
		"rest-nvim/rest.nvim",
		dependencies = {
			"nvim-lua/plenary.nvim",
			"nvim-treesitter/nvim-treesitter"
		},
		ft = { "http" },
		opts = {
			-- Open request results in a horizontal split
			result_split_horizontal = false,
			-- Keep the http file buffer above|left when split horizontal|vertical
			--
			result_split_in_place = true,
			result = {
				show_curl_command = false,
			},
		},
		keys = {
			{'<Leader>r', ':hor Rest run<CR>'},
		},

		--[[ opts = function (_, opts)
			opts.ensure_installed = opts.ensure_installed or {}
			table.insert(opts.ensure_installed, "http")
			table.insert(opts.result_split_horizontal, true)
			table.insert(opts.result_split_in_place, true)
		end, ]]--
		--[[ keys = {
			{'<Leader>r', '<Plug>RestNvim<CR>'},
			{'<Leader>R', '<Plug>RestNvimLast<CR>'},
			{'<Leader><A-r>', '<Plug>RestNvimPreview<CR>'},
		},
		config = function()
			-- commands
			local ct = require('conftool')
			ct.defcmd('RestNvim', 'lua require(\'rest-nvim\').run()<CR>')
			ct.defcmd('RestNvimPreview', 'lua require(\'rest-nvim\').run(true)<CR>')
			ct.defcmd('RestNvimLast', 'lua require(\'rest-nvim\').last()<CR>')
		end, ]]--
	},
}