diff --git a/README.noformat b/README.noformat
index ab04df90..66581a51 100644
--- a/README.noformat
+++ b/README.noformat
@@ -30,6 +30,11 @@ Languages supported            Compilers supported
     - C# (partially)
 
 
+1.4 Distributions
+
+Binaries available @ https://github.com/mkn/mkn/releases/tag/latest
+
+
 2.1 Basic project mkn.yaml files
 
 2.1.1 Binary
@@ -141,6 +146,7 @@ profiles:
 
   - name: test
     self: ${OS} ${aaa}              # dependencies on current project profiles, cycles detected
+    sub: project                    # subprojects, follows with rules for resolution, requires URL
     main: test.cpp
     out: ${aaa}                     # override default binary/library name
     install: ${aaa}                 # install binary or library to directory specified
@@ -165,7 +171,7 @@ If no mode tag is found, the -K and -S args will be used if found.
 Linking cannot be guaranteed if no mode is used, but shared is generally default.
 Unless a project requires a mode, it's advised to avoid using one. So it can be overridden with -K or -S.
 
-If a application includes both static and shared dependencies, using the mode "none" is advised.
+If an application includes both static and shared dependencies, using the mode "none" is advised.
 
 
 2.2.1.3 Entry points
@@ -248,8 +254,6 @@ Testing:
 
 Example Windows settings can be found at: https://github.com/mkn/maiken/wiki
 
-Binary available @ https://github.com/mkn/maiken/tree/binaries
-
 
 3.2 Unix
 
@@ -403,7 +407,7 @@ If neither are set the following rules apply
     Unix    : gdb ./bin/<profile>/<binary> <args>
 
  Launch app with gdb, autorun and print backtrace
-   MKN_DBG='gdb -batch -ex "run" -ex "bt" --args' mkn dbg -r "arg0 arg1"
+   MKN_DBG='gdb -batch -ex run -ex bt --args' mkn dbg -r "arg0 arg1"
 
 4.7 Initialising scripts
 
@@ -600,14 +604,18 @@ Description     See section 4
 Key             MKN_COMPILE_THREADS
 Type            uint
 Default         none
-Description     Global override, if set forces all compile calls to use value
-                Example, low RAM systems
+Description     Global override, if set forces all compile calls to use value. Example, low RAM systems
+
+Key             MKN_DEFAULT_BRANCH
+Type            String
+Default         "master"
+Description     Default branch for SCM if not given or set
+
 
 Key             MKN_DBG
 Type            String
 Default         ""
-Description     Sets the preceding command line string when using "dbg"
-                See seciont 4.6
+Description     Sets the preceding command line string when using "dbg". See seciont 4.6
 
 Key             MKN_OBJ
 Type            String
diff --git a/inc/maiken/app.hpp b/inc/maiken/app.hpp
index fb7d3d74..ef938502 100644
--- a/inc/maiken/app.hpp
+++ b/inc/maiken/app.hpp
@@ -309,6 +309,7 @@ class KUL_PUBLISH Application : public Constants {
   std::vector<std::pair<maiken::Source, bool>> srcs;
   std::vector<std::pair<std::string, bool>> incs;
   mkn::kul::SCM const* scm = 0;
+  std::vector<ProjectInfo> subs;
 };
 
 class Applications : public Constants {
diff --git a/inc/maiken/defs.hpp b/inc/maiken/defs.hpp
index b5bb20cd..bdaa1cb7 100644
--- a/inc/maiken/defs.hpp
+++ b/inc/maiken/defs.hpp
@@ -31,6 +31,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #ifndef _MAIKEN_DEFS_HPP_
 #define _MAIKEN_DEFS_HPP_
 
+#include "mkn/kul/env.hpp"
 #include "mkn/kul/defs.hpp"
 
 #ifndef MKN_LANG
@@ -78,6 +79,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #endif /* _KUL_PROC_LOOP_NSLEEP_ */
 
 namespace maiken {
+
+auto inline defaultSCMBranchName() { return mkn::kul::env::GET("MKN_DEFAULT_BRANCH", "master"); }
+
 class Constants {
  public:
   static constexpr auto STR_MAIKEN = "maiken";
@@ -124,6 +128,7 @@ class Constants {
   static constexpr auto STR_REMOTE = "remote";
   static constexpr auto STR_SCM = "scm";
   static constexpr auto STR_SELF = "self";
+  static constexpr auto STR_SUB = "sub";
   static constexpr auto STR_PROFILE = "profile";
   static constexpr auto STR_PROFILES = "profiles";
 
diff --git a/inc/maiken/project.hpp b/inc/maiken/project.hpp
index c035666c..d74d0987 100644
--- a/inc/maiken/project.hpp
+++ b/inc/maiken/project.hpp
@@ -31,14 +31,20 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #ifndef _MAIKEN_PROJECT_HPP_
 #define _MAIKEN_PROJECT_HPP_
 
-#include "mkn/kul/log.hpp"
 #include "mkn/kul/os.hpp"
+#include "mkn/kul/log.hpp"
 #include "mkn/kul/yaml.hpp"
 
 #include "maiken/defs.hpp"
 
 namespace maiken {
 
+struct ProjectInfo {
+  std::string local /*&*/, profiles, name, version /*#*/, scm;
+
+  ProjectInfo static PARSE_LINE(std::string const& line);
+};
+
 class Application;
 
 class ProjectException : public mkn::kul::Exception {
@@ -53,13 +59,13 @@ class KUL_PUBLISH Project : public mkn::kul::yaml::File, public Constants {
   Project(mkn::kul::File const& f) : mkn::kul::yaml::File(f), m_dir(f.dir().real()) {}
   Project(Project const& p) : mkn::kul::yaml::File(p), m_dir(p.m_dir.real()) {}
   mkn::kul::Dir const& dir() const { return m_dir; }
-  const mkn::kul::yaml::Validator validator() const;
+  mkn::kul::yaml::Validator validator() const;
 
   static mkn::kul::hash::map::S2S populate_tests(YAML::Node const& node);
   std::vector<Application const*> getBinaryTargets() const;
 
  private:
-  const mkn::kul::Dir m_dir;
+  mkn::kul::Dir const m_dir;
   friend class Projects;
   friend class Application;
   friend class mkn::kul::yaml::File;
diff --git a/inc/maiken/scm.hpp b/inc/maiken/scm.hpp
index bbe1ccc0..8cbe38e1 100644
--- a/inc/maiken/scm.hpp
+++ b/inc/maiken/scm.hpp
@@ -43,8 +43,9 @@ class SCMGetter {
     return s;
   }
   static bool HAS(mkn::kul::Dir const& d);
-  static std::string REPO(mkn::kul::Dir const& d, std::string const& r, bool module);
-  static mkn::kul::SCM const* GET(mkn::kul::Dir const& d, std::string const& r, bool module);
+  static std::string REPO(mkn::kul::Dir const& d, std::string const& r, bool module = false);
+  static mkn::kul::SCM const* GET(mkn::kul::Dir const& d, std::string const& r,
+                                  bool module = false);
 
  private:
   static bool IS_SOLID(std::string const& r);
diff --git a/inc/maiken/settings.hpp b/inc/maiken/settings.hpp
index 8e863f0f..e8fba94d 100644
--- a/inc/maiken/settings.hpp
+++ b/inc/maiken/settings.hpp
@@ -60,7 +60,7 @@ class Settings : public mkn::kul::yaml::File, public Constants {
 
   Settings const* super() const { return sup.get(); }
 
-  const mkn::kul::yaml::Validator validator() const;
+  mkn::kul::yaml::Validator validator() const;
   std::vector<std::string> const& remoteModules() const { return rms; }
   std::vector<std::string> const& remoteRepos() const { return rrs; }
   mkn::kul::hash::map::S2S const& properties() const { return ps; }
diff --git a/mkn.yaml b/mkn.yaml
index e76f8367..0e5dcb01 100644
--- a/mkn.yaml
+++ b/mkn.yaml
@@ -65,7 +65,7 @@ profile:
 - name: server
   parent: lib
   with: io.cereal mkn.ram[https]
-  main: src/server.cpp
+  main: server.cpp
   mode: none
 
 - name: format
diff --git a/src/maiken/build/bin.cpp b/src/maiken/build/bin.cpp
index e25e9d3f..7db00af1 100644
--- a/src/maiken/build/bin.cpp
+++ b/src/maiken/build/bin.cpp
@@ -95,10 +95,6 @@ class Executioner : public Constants {
     if (dryRun)
       KOUT(NON) << cpc.cmd();
     else {
-      app.checkErrors(cpc);
-      KOUT(INF) << cpc.cmd();
-      KOUT(NON) << "Creating bin: " << mkn::kul::File(cpc.file()).real();
-
       if (AppVars::INSTANCE().dump()) {
         std::string base = mkn::kul::File(cpc.file()).name();
         mkn::kul::io::Writer(mkn::kul::File(base + ".txt", cmdLogDir)) << cpc.cmd();
@@ -140,6 +136,10 @@ void maiken::Application::buildExecutable(mkn::kul::hash::set::String const& obj
 
   auto cpc = Executioner::build_exe(objects, starDirs, file, name, install, *this);
   Executioner::print(cpc, *this);
+
+  checkErrors(cpc);
+  KOUT(INF) << cpc.cmd();
+  KOUT(NON) << "Creating bin: " << mkn::kul::File(cpc.file()).real();
 }
 
 void maiken::Application::buildTest(mkn::kul::hash::set::String const& objects)
@@ -207,6 +207,7 @@ maiken::CompilerProcessCapture maiken::Application::buildLibrary(
     if (dryRun)
       KOUT(NON) << cpc.cmd();
     else {
+      Executioner::print(cpc, *this);
       checkErrors(cpc);
       KOUT(INF) << cpc.cmd();
       KOUT(NON) << "Creating lib: " << mkn::kul::File(cpc.file()).real();
diff --git a/src/maiken/compiler/gcc.cpp b/src/maiken/compiler/gcc.cpp
index e5b5820a..49272b32 100644
--- a/src/maiken/compiler/gcc.cpp
+++ b/src/maiken/compiler/gcc.cpp
@@ -31,6 +31,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "maiken.hpp"
 #include <unordered_set>
 
+#include <cstdint>
+
 maiken::cpp::GccCompiler::GccCompiler(int const& v) : CCompiler(v) {
   m_optimise_c.insert({{0, ""},
                        {1, "-O1"},
@@ -196,9 +198,9 @@ maiken::CompilerProcessCapture maiken::cpp::GccCompiler::buildLibrary(LinkDAO& d
   for (std::string const& o : objects) p << mkn::kul::File(o).escm();
 
   {
-    auto ll(mkn::kul::env::GET("MKN_LIB_LINK_LIB"));
+    auto ll(mkn::kul::env::GET("MKN_LIB_LINK_LIB", "0"));
     if (ll.size() && mode == compiler::Mode::SHAR) {
-      uint16_t llv = mkn::kul::String::UINT16(ll);
+      std::uint16_t llv = mkn::kul::String::UINT16(ll);
       for (std::string const& path : libPaths) p.arg("-L" + path);
       if (llv == 1) {
         for (std::string const& lib : libs) p.arg("-l" + lib);
diff --git a/src/maiken/defs.cpp b/src/maiken/defs.cpp
index 3cfd2c83..b4b7f0f4 100644
--- a/src/maiken/defs.cpp
+++ b/src/maiken/defs.cpp
@@ -58,6 +58,7 @@ constexpr char const* maiken::Constants::STR_FILE;
 constexpr char const* maiken::Constants::STR_ARG;
 constexpr char const* maiken::Constants::STR_INSTALL;
 constexpr char const* maiken::Constants::STR_SELF;
+constexpr char const* maiken::Constants::STR_SUB;
 
 constexpr char const* maiken::Constants::STR_VALUE;
 constexpr char const* maiken::Constants::STR_MAIN;
diff --git a/src/maiken/depmod.cpp b/src/maiken/depmod.cpp
index 15a6a49e..5524516b 100644
--- a/src/maiken/depmod.cpp
+++ b/src/maiken/depmod.cpp
@@ -102,7 +102,7 @@ mkn::kul::Dir maiken::Application::resolveDepOrModDirectory(YAML::Node const& n,
         if (Github::GET_LATEST(depName, version)) return version;
 #endif  //_MKN_WITH_MKN_RAM_
 
-        return "master";
+        return defaultSCMBranchName();
       };
       std::string version(resolveSCMBranch());
       if (version.empty()) {
diff --git a/src/maiken/mods.cpp b/src/maiken/mods.cpp
index 751b1944..e761ba09 100644
--- a/src/maiken/mods.cpp
+++ b/src/maiken/mods.cpp
@@ -61,21 +61,15 @@ void maiken::Application::mod(mkn::kul::hash::set::String& mods, std::vector<YAM
     mkn::kul::String::TRIM(mod);
     if (mod.empty()) continue;
 
-    mod_nodes.emplace_back();
-    auto& node = mod_nodes.back();
-    std::string local /*&*/, profiles, proj = mod, version /*#*/, scm, objs;
+    auto& node = mod_nodes.emplace_back();
 
-    auto get_between = [&](auto& var, auto lbrak, auto rbrak) {
-      auto between = maiken::string::between_rm_str(proj, lbrak, rbrak);
-      if (between.found) proj = between.remaining, var = *between.found;
-      return !between.error;
-    };
+    ProjectInfo pInfo = ProjectInfo::PARSE_LINE(mod);
 
-    if (!get_between(scm, "(", ")")) KEXIT(1, "Invalid -m - missing right ) bracket");
-    if (!node[STR_SCM]) node[STR_SCM] = scm;
+    auto& [local, profiles, proj, version, scm] = pInfo;
+    // KLOG(INF) << proj;
+    std::string objs;
 
-    if (!get_between(profiles, "[", "]")) KEXIT(1, "Invalid -m - missing right ] bracket");
-    mkn::kul::String::REPLACE_ALL(profiles, ",", " ");
+    if (!node[STR_SCM] && scm.size()) node[STR_SCM] = scm;
     if (!node[STR_PROFILE] && profiles.size()) node[STR_PROFILE] = profiles;
 
     {
@@ -94,14 +88,11 @@ void maiken::Application::mod(mkn::kul::hash::set::String& mods, std::vector<YAM
                 "location");
       }
 
-      if (am != std::string::npos && ha != std::string::npos)
-        if (ha > am) KEXIT(1, "-m invalid, version must before location");
-
-      auto if_set = [&](auto s, auto& v, auto n) {
-        if (s != std::string::npos) v = proj.substr(s + 1), proj = proj.substr(0, s), n = v;
+      auto if_set = [&](auto& v, auto n) {
+        if (v.size()) n = v;
       };
-      if_set(am, local, node[STR_LOCAL]);
-      if_set(ha, version, node[STR_VERSION]);
+      if_set(local, node[STR_LOCAL]);
+      if_set(version, node[STR_VERSION]);
     }
 
     if (proj.empty() && local.empty() && scm.empty())
diff --git a/src/maiken/process.cpp b/src/maiken/process.cpp
index 4dc79073..bc0f9293 100644
--- a/src/maiken/process.cpp
+++ b/src/maiken/process.cpp
@@ -31,6 +31,13 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "maiken.hpp"
 
 void maiken::Application::process() KTHROW(mkn::kul::Exception) {
+  mkn::kul::hash::map::S2S oldEvs;
+  for (auto const& ev : evs) {
+    std::string const& v = mkn::kul::env::GET(ev.name());
+    if (v.size()) oldEvs.insert(ev.name(), v);
+    mkn::kul::env::SET(ev.name(), ev.value());
+  }
+
   auto const& cmds = CommandStateMachine::INSTANCE().commands();
 
   mkn::kul::os::PushDir pushd(this->project().dir());
@@ -134,4 +141,6 @@ void maiken::Application::process() KTHROW(mkn::kul::Exception) {
     run(cmds.count(STR_DBG));
   CommandStateMachine::INSTANCE().reset();
   AppVars::INSTANCE().show(0);
+
+  for (auto const& oldEv : oldEvs) mkn::kul::env::SET(oldEv.first.c_str(), oldEv.second.c_str());
 }
diff --git a/src/maiken/setup.cpp b/src/maiken/setup.cpp
index b7f5e5d5..34e4779a 100644
--- a/src/maiken/setup.cpp
+++ b/src/maiken/setup.cpp
@@ -30,6 +30,49 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 #include "maiken/github.hpp"
 #include "maiken/regex.hpp"
+#include "maiken/scm.hpp"
+
+namespace maiken {
+void sub_initializer(Application& app) {
+  KLOG(INF);
+
+  auto const& STR_NAME = Constants::STR_NAME;
+  auto const& STR_PROFILE = Constants::STR_PROFILE;
+  auto const& STR_SUB = Constants::STR_SUB;
+  std::string profile(app.profile());
+  std::vector<YAML::Node> nodes;
+  if (profile.empty()) {
+    nodes.push_back(app.project().root());
+    profile = app.project().root()[STR_NAME].Scalar();
+  }
+  if (app.project().root()[STR_PROFILE])
+    for (std::size_t i = 0; i < app.project().root()[STR_PROFILE].size(); i++)
+      nodes.push_back(app.project().root()[STR_PROFILE][i]);
+
+  for (auto const& n : nodes) {
+    KLOG(INF) << profile;
+    if (n[STR_NAME].Scalar() != profile) continue;
+    KLOG(INF);
+    if (n[STR_SUB] && n[STR_SUB].IsScalar()) {
+      KLOG(INF) << n[STR_SUB].Scalar();
+      for (auto const& line : mkn::kul::String::LINES(n[STR_SUB].Scalar())) {
+        KLOG(INF) << line;
+        auto pInfo = ProjectInfo::PARSE_LINE(line);
+        mkn::kul::Dir local{pInfo.local};
+        KLOG(INF) << local;
+        KLOG(INF) << local.is();
+        if (!local) {
+          KLOG(INF) << pInfo.scm;
+          KLOG(INF) << pInfo.version;
+
+          SCMGetter::GET(local, pInfo.scm)
+              ->co(local.path(), SCMGetter::REPO(local, pInfo.scm), pInfo.version);
+        }
+      }
+    }
+  }
+}
+}  // namespace maiken
 
 void maiken::Application::setup() KTHROW(mkn::kul::Exception) {
   if (scr.empty() && project().root()[STR_SCM])
@@ -47,6 +90,9 @@ void maiken::Application::setup() KTHROW(mkn::kul::Exception) {
   if (p.empty()) buildD = mkn::kul::Dir::JOIN(STR_BIN, STR_BUILD);
   this->bd = mkn::kul::Dir(project().dir().join(buildD));
   std::string profile(p);
+
+  sub_initializer(*this);
+
   std::vector<YAML::Node> nodes;
   if (profile.empty()) {
     nodes.push_back(project().root());
@@ -140,8 +186,8 @@ void maiken::Application::setup() KTHROW(mkn::kul::Exception) {
         else
           KEXCEPTION(STR_DEP) << " is invalid type";
       }
-      populateMaps(n);
       popDepOrMod(n, deps, STR_DEP, 0);
+      populateMaps(n);
 
       if (n[STR_IF_DEP] && n[STR_IF_DEP][KTOSTRING(__MKN_KUL_OS__)]) {
         auto node = n[STR_IF_DEP][KTOSTRING(__MKN_KUL_OS__)];
diff --git a/src/project.cpp b/src/project.cpp
index b40c5416..271dfdcb 100644
--- a/src/project.cpp
+++ b/src/project.cpp
@@ -31,9 +31,35 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "mkn/kul/io.hpp"
 
 #include "maiken/defs.hpp"
+#include "maiken/string.hpp"
 #include "maiken/project.hpp"
 
-const mkn::kul::yaml::Validator maiken::Project::validator() const {
+maiken::ProjectInfo maiken::ProjectInfo::PARSE_LINE(std::string const& line) {
+  std::string local /*&*/, profiles, proj = line, version /*#*/, scm;
+
+  auto get_between = [&](auto& var, auto lbrak, auto rbrak) {
+    auto between = maiken::string::between_rm_str(proj, lbrak, rbrak);
+    if (between.found) proj = between.remaining, var = *between.found;
+    return !between.error;
+  };
+
+  if (!get_between(scm, "(", ")")) KEXIT(1, "Invalid -m - missing right ) bracket");
+  if (!get_between(profiles, "[", "]")) KEXIT(1, "Invalid -m - missing right ] bracket");
+  mkn::kul::String::REPLACE_ALL(profiles, ",", " ");
+
+  auto am = proj.find("&"), ha = proj.find("#");
+  if (am != std::string::npos && ha != std::string::npos)
+    if (ha > am) KEXIT(1, "invalid input, version & must before location #");
+  auto if_set = [&](auto s, auto& v) {
+    if (s != std::string::npos) v = proj.substr(s + 1), proj = proj.substr(0, s);
+  };
+  if_set(am, local);
+  if_set(ha, version);
+
+  return {local, profiles, proj, version, scm};
+}
+
+mkn::kul::yaml::Validator maiken::Project::validator() const {
   using namespace mkn::kul::yaml;
 
   std::vector<NodeValidator> depVals{NodeValidator("name"), NodeValidator("version"),
@@ -90,6 +116,7 @@ const mkn::kul::yaml::Validator maiken::Project::validator() const {
                     NodeValidator("out"),
                     NodeValidator("ext"),
                     NodeValidator("self"),
+                    NodeValidator("sub"),
                     NodeValidator("with"),
                     env,
                     dep,
@@ -118,6 +145,7 @@ const mkn::kul::yaml::Validator maiken::Project::validator() const {
                                    NodeValidator("install"),
                                    NodeValidator("out"),
                                    NodeValidator("self"),
+                                   NodeValidator("sub"),
                                    NodeValidator("with"),
                                    env,
                                    dep,
diff --git a/src/settings.cpp b/src/settings.cpp
index c44b16f0..244a8005 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -142,7 +142,7 @@ bool maiken::Settings::SET(std::string const& s) {
   return 0;
 }
 
-const mkn::kul::yaml::Validator maiken::Settings::validator() const {
+mkn::kul::yaml::Validator maiken::Settings::validator() const {
   using namespace mkn::kul::yaml;
 
   std::vector<NodeValidator> masks;